Question

Name the rock or mineral used in:
1. Making pottery: .......
2. Making glass:
3. Building roads and houses: .
4. Making jewellery: ...
5. Manufacture of fertilizers: ....​

Answer 1

Answer:

1. for making pottery special type of clay named ceramics is used.

2. for making glass silica is used.

3. for making buildings and roads cement (a mixture of calcium carbonate and a special type of clay with gypsum) is used.

4. making jewelry: gold, silver, etc are used.

5. for the manufacture of fertilizer nitrogen, potassium, and phosphorus or biodegradable wastes are used.