yhss-3e5-chemistry-05-2011.blogspot.com
...Relaxing ...
X Chua Shin Yoong. X Somewhere in Bukit Batok. St Anthony's Primary School. X Yuhua Secondary School. X Three Express Five. X Eighteen of May, Nineteen ninety six. X Taurus and Rat. X From a family of five. X Oldest sister with two younger sisters (age 12 and 10). X Learning about new things. X Getting storybook confiscated. 05 Shin Yoong (me! This blogskin is made by SI. And the pictures is taken from here. And lastly, part of the coding is from this skin. Saturday, September 17, 2011 Y. OH (aq) = 2NH 4.
yhss-3e5-chemistry-06-2011.blogspot.com
A World of Chemistry
A World of Chemistry. Friday, 23 September 2011. Q5 Excess zinc carbonate is added to hydrochloric acid in the preparation of zinc chloride salt. Ii) Excess Zinc carbonate. Is used to make sure that all the hydrochloric acid are. Fliter out the excess zinc carbonate. From the solution and the zinc chloride. Solution will be left.Zince chloride crystals can be obtained by. And allow the sartuated zinc chloride solution to. Crystals of zinc chloride. Labels: excess solid method. I) Potassium sulfate is a.
yhss-3e5-chemistry-07-2011.blogspot.com
Land of Chemistry.
Thursday, September 22, 2011. Question 5. (:. 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? Iii) Briefly explain how the zinc chloride crystals can be obtained. Ii) It is to ensure that zinc carbonate has reacted with the sulfuric acid completely, before filtering the excess unreacted zinc carbonate from the zinc chloride solution. Posted by ♥. Question 4. (:. Iii) The possi...
yhss-3e5-chemistry-08-2011.blogspot.com
Chemistry
Friday, September 23, 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. A white precipitate forms when Zinc Nitrate solution is added to aqueous Ammonia solution. Iii) Write a chemical equation for the reaction (include state symbols). OH (aq) - ZnOH (s ) NH 4. Iv) Write an ionic equation for the reaction. Iv) Zn 2 (aq) 2OH - (aq) - Zn(OH)2 (s). Aq) 2NaOH (aq) - Na 2. O (l) 2NH 3. Q5 Excess z...
yhss-3e5-chemistry-09-2011.blogspot.com
chem!
Tuesday, 20 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. The salt is Zinc hydroxide, Zn(OH) 2. The base is ammonium nitrate, NH 4. Ii) Describe the observations for the reaction. White precipitate is formed. Iii) Write a chemical equation for the reaction (include state symbols). OH(aq) - Zn(OH) 2. Iv) Write an ionic equation for the reaction. (aq). Aq) - Zn(OH) 2. Q2 Ammonium sulfate is heated. Aq) 2NaOH(aq) - Na 2. To ensu...
yhss-3e5-chemistry-10-2011.blogspot.com
Chemistryy!
Kho Ziqing, (10). Yuhua Secondary School, 3e5. Concert Band, Clarinet (:. 3rd Oct, Libra :. Friday, September 23, 2011 ( 7:43 AM ). Zinc nitrate reacts with aqueous ammonia (NH 4. OH) to form a salt and a base. I) Name the salt and the base. The salt is Ammonium nitrate and the base is Zinc hydroxide. Ii) Desribe the observation for the reaction. When zinc nitrate reacts with the aqueous ammonia, white precipitate is form and it is soluble in excess to give a colourless solution. OH (aq) - Zn(OH). Excess...
yhss-3e5-chemistry-11-2011.blogspot.com
Chemistry Blog
Thursday, September 22, 2011. Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. The salt is Ammonium Nitrate while the base is Zinc Hydroxide . Ii) Describe the observations for the reaction. Zinc Nitrate and Ammonia Hydroxide are colorless solutions . When added together,. A colorless solution, Ammonium Nitrate, and a white insoluble precipitate, Zinc Hydoxide is formed . Iii) Write a chemical equation for the reaction (include state symbols).
yhss-3e5-chemistry-12-2011.blogspot.com
ChEmIsTrY
Thursday, 22 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. (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. I) The salt formed is ammonium nitrate and the base formed is zinc hydroxide. Ii) When zinc nitrate reacts with aqueous ammonia, sodium nitrate and zinc hydroxide (white precipitate) is formed.
yhss-3e5-chemistry-13-2011.blogspot.com
Wishing upon the stars
Wishing upon the stars. 9829; Jie En. Stars may appear only at night, but they bring us gleams to the murky night. Don't worry about the darkness, for that is when the stars shine brightest. View my complete profile. Saturday, 17 September 2011. Q1 Zinc nitrate reacts with aqueous ammonia (NH4OH) to form a salt and a base. I) Name the salt and the base. The salt is Zinc hydroxide, Zn(OH ). The base is Ammonium nitrate, NH. Ii) Describe the observations for the reaction. Ii) Describe a test for the gas.
yhss-3e5-chemistry-14-2011.blogspot.com
フィクション
I am writing the story that will never end in my heart.". Q1 Zinc nitrate reacts with aqueous ammonia (NH 4. OH) to form a salt and a base. I) Name the salt and the base. The salt is Zinc Hydroxide. The base is Ammonium Nitrate . Ii) Describe the observations for the reaction. When Zinc Nitrate and aqueous ammonia react with one another, a white precipitate will be formed. Iii) Write a chemical equation for the reaction (include state symbols). Iv) Write an ionic equation for the reaction. O (i) 2 NH.
