State whether the following statement is true or false: Coke is an almost pure form of carbon.
True
False
Coke is a fuel with few impurities and a high carbon content, usually made from coal. It is an almost pure form of carbon.
Write whether the following statement is true or false:
‘Coke is a tough, porous and black substance. It is an almost pure form of carbon.’
State whether the following statements are true or false :
(a) Coke is almost pure form of carbon.
(b) Coal tar is a mixture of various substances.
(c) Kerosene is not a fassil fuel.
(d) CNG is more polluting than petrol.
(e) Fossil fuels can be made in the laboratory.
State whether the following statement is true or false :
Milk is a pure substance.