ICSE Class 9 Chemistry
Question 18 of 18
Chemical Changes & Reactions — Question 10
Back to all questions 10
Question Question 6
Name the solid residual product formed in each reaction and state it's colour during – thermal decomposition of the following substances.
- Copper nitrate.
- Ammonium dichromate.
- Zinc carbonate.
- Lead nitrate.
- Calcium hydroxide.
Below table lists the solid residual product formed along with it's colour for the given substances:
| Sl. No. | Substance | Residual Product | Colour |
|---|---|---|---|
| 1 | Copper nitrate | Copper [II] oxide | Black |
| 2 | Ammonium dichromate | Chromic oxide | Green |
| 3 | Zinc carbonate | Zinc oxide | White |
| 4 | Lead nitrate | Lead oxide | Yellow |
| 5 | Calcium hydroxide | Calcium oxide | White |