1. Which of the following is a naturally occurring inorganic substance with a definite chemical composition?

2. Which statement is correct regarding ores?

3. Cinnabar (HgS) is an ore of the following:

4. Sphalerite (ZnS) is an ore of:

5. Minerals are mainly divided into:

6. Metallic minerals generally show:

7. Which of the following is a metallic mineral?

8. Ferrous minerals contain:

9. Which of the following is a ferrous mineral?

10. Non-ferrous minerals do not contain:

11. Which among the following is a non-metallic mineral?

12. Which mineral property refers to the color of powdered mineral?

13. Malachite gives which color streak?

14. Malachite gives which color streak?

15. Malachite gives which color streak?

16. Malachite gives which color streak?

17. Malachite gives which color streak?

18. Minerals that are naturally self-colored are called

19. Azurite is generally:

20. Quartz is an example of

21. Pseudochromatic minerals are:

22. Labradorite shows:

23. The most common metal ores are the following:

24. Iron ore makes up nearly how much of Earth’s crust?

25. Chile saltpetre is an ore of:

26. Carnallite is an ore of:

27. Argentine is an ore of:

28. Cassiterite is an ore of:

29. Stibnite is an ore of

30. Hardness of minerals is measured on: