Coal and Petroleum For Class 8 MCQ Questions
8. Carbonation is the slow process of conversion of dead animals into coal. False. 9. Petroleum is a fossil fuel. True. 10. Natural gas is not a fossil fuel. False. 11. Compressed natural gas is obtained when natural gas is subjected to high pressure. True. 12. Coal tar is a mixture of various substances. True. 13. Water gas is Carbon monoxide ...