Question

Identify the error in the given statements. Encircle the incorrect word/ words and rewrite the

correct statement.

1. Copper carbonate decomposes to form reddish brown colour cuprous oxide and carbon dioxide.

2. When carbon and sulphur are heated, heat energy is evolved.

3. Carbon dioxide and lime water reacts to form calcium hydroxide hydroxide and water.

4. The nitroglycerine molecule decomposes to form -carbon dioxide, carbon monoxide,

water vapour and nitrogen.

5. Nitrogen and chlorine reacts to produce a red colour liquid ,nitrogen trichloride.

please help me.​

Answer 1

Answer:

1. calcium carbonate decomposes to form reddish brown colour cuprous oxide and carbon dioxide.

2. When carbon and oxygen are heated, heat energy is evolved.

3. Carbon dioxide and lime stone reacts to form calcium hydroxide and water.

4. The nitroglycerine molecule decomposes to form -carbon dioxide, carbon monoxide,

water vapour and nitrogen dioxide.

5. Nitrogen and chlorine reacts to produce a red colour liquid ,nitrogen trichloride.