Question

Name the residue when the following substance are heated:
1. Copper nitrate
2. Ammonium dichromate 3. Copper carbonate
4. Ferrous carbonate
5. Lead nitrate​

Answer 1

Explanation:

1.- it decomposes to give reddish brown gas Nitrogen dioxide and oxygen

2.-on heating to produce nitrogen gas, water vapor (gaseous due to the temperature of the reaction), and solid chromium(III) oxide

3. - on heating dissociates to form two compounds , copper oxide and carbon dioxide

4.- On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed

and

5.-on strong heating decompose to form lead monoxide, nitrogen dioxide gas and oxygen gas.

hope it helps you!

Answer 2

Answer:

Yeh lijiye ≧◡≦

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