Question

9. Which of the following is used in the manufacture of steel ?

A) Graphite

B) Coal

C) Coke

D) None of these

10. Which of the following is not a natural resource?

A) Minerals

B) Soil

C) Plastic

D) Water

11. State True or false: Coke is harder and denser than charcoal.

A) true

B) false

12. Choose the correct answer: The petroleum product used in ointments, candles and vaseline is

_________.

A) Kerosene

B) Paraffin wax

C) Petrol

D) Diesel

13. State True or false: Paraffin wax is one of the constituents of petroleum.

A) true

B) false

14. Choose the correct answer: Coal is formed from the remains of ________.

A) vegetation only

B) animals only

C) both animals and vegetation

D) None of these

15. State True or false: Calorific value of LPG is more than that of petrol.

A) true

B) false​

Answer 1

Answer:

pls mark me as brainliest

Explanation:

1. coal

2.plastic

3.true

4.kerosine

5.false

6.c

7.true