Question

Q.1 Select the correct answer from A, B, C, D & E for each statement given below: [5] C: Oxygen D: Copper [II] hydroxide A: Hydrogen B: Copper [II] oxide C: Oxygen E: Ammonia 1. The black residue obtained on heating copper carbonate. 2. The basic gas obtained when two gases react in presence of a catalyst & the reaction is exothermic. 3. The gas obtained when potassium chlorate is heated in the presence of a catalyst. 4. The pale blue precipitate obtained when copper [II] sulphate reacts with sodium hydroxide. 5. The gas which reacts with oxygen to give a neutral liquid.​

Answer 1

Answer:

Solution:

1. B: Copper (II) Oxide

2. A: Hydrogen

3. C: Oxygen

4. D: Copper (II) Hydroxide

5. E: Ammonia