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Miracle Learning Centre Chemistry Tuition Question on Qualitative Analysis . (O Level Chemistry Tuition/ IP Chemistry Tuition)

1. What gas is formed when aluminium powder is heated with alkaline aqueous sodium nitrate? A. oxygen B. nitrogen C. ammonia D. nitrogen dioxide

2. A solid is insoluble in water but dissolves in aqueous acid and in aqueous alkali without evolution of a gas in either case. What could the solid be? A. copper(II) carbonate B. copper(II) hydroxide C. zinc carbonate D. zinc hydroxide

3. Which one of the following solutions, when mixed, would give a visible change? A. Kl(aq) and NaOH(aq) B. CuSO4(aq) and MgCl2(aq) C. FeCl3(aq) and NH3(aq) D. NaCl(aq) and KOH(aq) Miracle Learning Centre Answer to Chemistry Tuition Question on Qualitative Analysis. (O Level Chemistry Tuition/ IP Chemistry Tuition) 1)C 2)D 3)C Learn from our Chemistry Tuition Questions and Answers. Miracle Learning Centre Call 6463 8756 or sms 8128 8342/9839 9908. (Specialist in Science and Maths) for Primary, Secondary and JC levels. Miracle Learning Centre specialises in Chemistry tuition, Physics tuition, Maths tuition and Science tuition Classes.