wendy's
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 react...
›
Q4 Sulfuric acid is titrated with potassium hydroxide in the preparation of potassium sulfate salt. (i) Explain why this method is reco...
›
Q3 An unknown green solution is heated with a piece of aluminium foil and sodium hydroxide solution. (i) The gas produced turns damp re...
›
Q2 Ammonium sulfate is heated with sodium hydroxide. (i) Write a chemical equation (include state symbols) for the reaction. (ii) Des...
Monday, 19 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 obse...
Friday, 8 July 2011
›
aleen tan(28) you have a nice blog and your answers are very detailed. for example , you list out all the metals and non-metals, and even h...
Thursday, 7 July 2011
›
me and my buddy, kana:) SECTION PHOTO~:)
›
Home
View web version
