1.
Which of the following is not correctly matched?
2.
3.
Which of the following is a soft rock?
4.
Which of the following is/are true about diamond?
5.
Identify the rocks: (i) It is black in colour. (ii) It is used as a fuel. (iii) It is used for making status and building
6.
7.
8.
9.
Which of the following are the hardest substance in nature?
10.
Rocks are generally made up of the following?