yhss-3e5-chemistry-40-2011.blogspot.com

I LOVE Chemistry~

Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

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I LOVE Chemistry~ | yhss-3e5-chemistry-40-2011.blogspot.com Reviews

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Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

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1 i love chemistry

2 chemistry rocks

3 salt zinc nitrate

4 base zinc hydroxide

5 g na 2

6 ammonia

7 nitrate no 3

8 in solution

9 iron iii

10 0 comments

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i love chemistry,chemistry rocks,salt zinc nitrate,base zinc hydroxide,g na 2,ammonia,nitrate no 3,in solution,iron iii,0 comments,reactions,sub atomic particles,relative mass,electron,proton,neutron,chlorine atoms,no of proton,no of electron,chlorine 35

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I LOVE Chemistry~ | yhss-3e5-chemistry-40-2011.blogspot.com Reviews

https://yhss-3e5-chemistry-40-2011.blogspot.com

Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

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yhss-3e5-chemistry-40-2011.blogspot.com

1

I LOVE Chemistry~

http://www.yhss-3e5-chemistry-40-2011.blogspot.com/2011/09/q1-zinc-nitrate-reacts-with-aqueous.html

Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

2

I LOVE Chemistry~: September 2011

http://www.yhss-3e5-chemistry-40-2011.blogspot.com/2011_09_01_archive.html

Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

3

I LOVE Chemistry~: July 2011

http://www.yhss-3e5-chemistry-40-2011.blogspot.com/2011_07_01_archive.html

Friday, 8 July 2011. 1 What does an atom looks like? What are the sub-atomic particles inside it.(talk about electrons, neutrons, protons, electron shells, nucleus.). 2 Draw the atomic structure of a sodium atom and a sodium ion.explain why you draw it this way. 3 Draw the atomic structure of a sulfur atom and a sulfide ion.explain why you draw it this way. 4 Chlorine-35 atom and Chlorine-37 atom are called isotopes.Use these two examples to explain what is 'isotopes'. Subscribe to: Posts (Atom).

4

I LOVE Chemistry~

http://www.yhss-3e5-chemistry-40-2011.blogspot.com/2011/07/1.html

Friday, 8 July 2011. 1 What does an atom looks like? What are the sub-atomic particles inside it.(talk about electrons, neutrons, protons, electron shells, nucleus.). 2 Draw the atomic structure of a sodium atom and a sodium ion.explain why you draw it this way. 3 Draw the atomic structure of a sulfur atom and a sulfide ion.explain why you draw it this way. 4 Chlorine-35 atom and Chlorine-37 atom are called isotopes.Use these two examples to explain what is 'isotopes'. Subscribe to: Post Comments (Atom).

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yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): Japan Trip Photos! :)

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011/07/japan-trip-photos.html

65342;▽＾). Chihiro reading comic book. My "Thankyou" letter is pinned on her wall! Subscribe to: Post Comments (Atom). View my complete profile. Ethereal template. Powered by Blogger.

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾)

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011/09/q1.html

65342;▽＾). Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ans: The salt is ammonium nitrate and the base is zinc hydroxide. Ii) Describe the observations for the reaction. Ans: When zinc nitrate reacts with aqueous ammonia, white precipitation is form. The white precipitate is soluble in excess to give a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Ans: Zn(NO3)2 (aq) 2NH4OH (aq). I) Explain why...

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): September 2011

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011_09_01_archive.html

65342;▽＾). Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ans: The salt is ammonium nitrate and the base is zinc hydroxide. Ii) Describe the observations for the reaction. Ans: When zinc nitrate reacts with aqueous ammonia, white precipitation is form. The white precipitate is soluble in excess to give a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Ans: Zn(NO3)2 (aq) 2NH4OH (aq). I) Explain why...

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): Simple & Short question

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011/07/simple-short-question.html

65342;▽＾). Simple and Short question. Which element is heavier? Reason: Look at the nucleon number/mass number/Ar (relative atomic mass). Which number is bigger? Subscribe to: Post Comments (Atom). View my complete profile. Ethereal template. Powered by Blogger.

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): Comments on friends' chemistry blog

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65342;▽＾). Comments on friends' chemistry blog. Her answers are good and detailed. She included some examples to relate to her answers. Her answers (especially for the first question) was quite lengthy so I think she must have done a lot of research. But I think for question 5, it will be better if she can add in the physical properties. For sulfide ion, there should be a (2-) outside bracket. Subscribe to: Post Comments (Atom). View my complete profile. Ethereal template. Powered by Blogger.

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): WSL-08-002 篤姫メインテーマ（吹奏楽セレクション）

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011/07/wsl-08-002.html

65342;▽＾). WSL-08-002 篤姫メインテーマ（吹奏楽セレクション）. Subscribe to: Post Comments (Atom). View my complete profile. Ethereal template. Powered by Blogger.

yhss-3e5-chemistry-16-2011.blogspot.com

Wan Ling! (＾▽＾): Why chlorine has an average mass of 35.5?

http://yhss-3e5-chemistry-16-2011.blogspot.com/2011/07/why-chlorine-has-average-mass-of-355.html

65342;▽＾). Why chlorine has an average mass of 35.5? 75% abundance in chlorine atoms. 25% abundance in chlorine atoms. 75/100 x 35) (25/100 x 37) = 35.5. Periodic table no. for Chlorine). Subscribe to: Post Comments (Atom). View my complete profile. Ethereal template. Powered by Blogger.

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yhss-3e5-chemistry-33-2011.blogspot.com

The Beginning. The End. The After.

The Beginning. The End. The After. Wednesday, September 21, 2011. Questions on Ionic Equations, Colours of Cations and Anions, Acids, Bases, Alkalis, Salts. Q1 Zinc nitrate reacts with aqueous ammonia (NH 4. OH) to form a salt and a base. I) Name the salt and the base. Salt: Ammonium Nitrate Base: Zinc Hydroxide. Ii) Describe the observations for the reaction. A white precipitate (Zinc Hydroxide) forms when Zinc Nitrate solution is added to aqueous Ammonia solution. OH (aq) - 2NH. Aq) 2NaOH (aq) - Na.

yhss-3e5-chemistry-34-2011.blogspot.com

- Chemsitry ;

Monday, 26 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH. OH) to form a salt and a base. I) Name the salt and the base. The base is Zinc Hydroxide . Ii) Describe the observations for the reaction. White ppt. is formed. Iii) Write a chemical equation for the reaction (include state symbols). OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Q2 Ammonium sulfate is heated with sodium hydroxide. Write a chemical equation (include state symbols) for the reaction. Iii)Briefly ex...

yhss-3e5-chemistry-35-2011.blogspot.com

chemistry.....

Thursday, 22 September 2011. Q5 Excess zinc carbonate is added to hydrochloric acid in the preparation of zinc chloride salt. I) Write an ionic equation for the reaction. Ii) Why excess zinc carbonate is used? Zinc carbonate is used to ensure that all the hydrochloric acid is completely reacted.When there is excess zinc carbonate seen,the reaction between the zinc carbonate and hydrochloric acid has stopped. Iii) Briefly explain how the zinc chloride crystals can be obtained. Q3 An unknown green solution...

yhss-3e5-chemistry-36-2011.blogspot.com

ShockInfinite

Thursday, September 22, 2011. Her answers are well-written and reader-friendly. She provides accurate and informative answers. However, for question 4ii) and 5i), the question is asking for the ionic equations. But both her answers are in chemical equations. Her answers are short and straightfoward. For question 1, zinc hydroxide , ZnOH. For question 5, it would be better in she includes "add until there is excess solid". So that it's able to filtrate. For question 3iii), it is supposed to be Iron (II).

yhss-3e5-chemistry-38-2011.blogspot.com

YHSS 3E5 Chemistry 2011

Thursday, 7 July 2011. Her blog is very simple and her answers are easy to understand. However she could elaborate more for question 2 and 3. Overall, her answers are well answered . Her answers has many spelling mistakes. But her answers are well explained especially the first question. Her blog is simple yet beautiful (.). Her answers are excellent as they are detailed and phrased nicely. The drawing she did was very clear. However her font size is too small. This post is all about chemistry. Sulfur is...

yhss-3e5-chemistry-40-2011.blogspot.com

I LOVE Chemistry~

Friday, 23 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. Ii) Describe the observations for the reaction. White precipitation is formed, soluble in excess giving a colourless solution. Iii) Write a chemical equation for the reaction (include state symbols). Zn(NO 3 ) 2. OH (aq) - Zn(OH). Iv) Write an ionic equation for the reaction. Aq) 2OH- (aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated with sodium hydroxide. Aq) 2H (aq) - H 2.

yhss-3e5-chemistry-41-2011.blogspot.com

Mr Tan's student (:

Mr Tan's student (:. Friday, 23 September 2011. Her answers are very clear and understandable. She makes the effort to change the font sizes and everything, which can be very tedious. He organised his answers very well which makes it very easy to read. Very nice blog, nice background and layout. He puts in effort in his work and his answers and my answers are very similar and i can hardly find any mistakes in his blog. But his blog is abit plain. Posted by Zane Loves Chemistry. The salt is Zinc hydroxide.

yhss-3e5-chemistry.blogspot.com

You call this blissful?

Your profile here yo. I am friendly and i'm your chemistry teacher. Remove this and you're dead. Sunday, 3 July 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH 4. OH) to form a salt and a base. (i) Name the salt and the base. (ii) Describe the observations for the reaction. (iii) Write a chemical equation for the reaction (include state symbols). (iv) Write an ionic equation for the reaction. Iii) Briefly explain how the zinc chloride crystals can be obtained. Please post your excellent answers in ...

yhss-3n3.blogspot.com

3N3 BLOG

Dj-Azri In The House. Saturday, May 2, 2009. Yoz, its botak here.yesterdae do melinn b'dae party so fun get to plae wit the dog.so cute.plae vb with jasmine, joyce, daniel, jonas, darren and alvin(nt my bro), liza, melinn. sang b'dae song then melinn dog start barking very funny.few girls screamed.we go melinn room plae truth or dare.Melinn dare jonas go kiss darren on the lips.guess what? He really did do it! Tuesday, April 21, 2009. Tuesday, April 14, 2009. That made me had HIGH fever! They get 1st to ...

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YHSS Girl Guides 1st COY

YHSS Girl Guides 1st COY. This is a place where YHSS Girl Guides can post notices, share photos and files! Friday, April 24, 2009. There will be a rehearsal on Monday, 27 April 2009. All recipients are to report at the canteen by 2pm sharp. Monday, January 26, 2009. These are the awardess for the NYAA bronze award. AWARDS WILL BE GIVEN OUT IN A LATER DATE IN THE YEAR.(DURING FLAG RAISING) PLEASE BE NOTIFIED. If you knew some of your friends who did not read this post, please let them know. 1) Yu Jing Yi.

yhss-wushu.blogspot.com

Yuhua Wushu

Welcome to yhss-wushu.blogspot.com. We are the absolutly crazy wushu members of YHSS. 1)Training Time Is As Followed:. Tuesday (3.30pm - 5.30pm). Thursday (3.30pm - 5.30pm). To ensure that students turn up for training. Report to teacher necessary. Ensure that other committee members are on task. Ensure that deadlines are met. Other matters tasked by teachers. Vice president: Chan Leying. To help the president whenever necessary. To collect money from members for events/programmes. Welfare IC: Ku Peishi.