The main product obtained by the destructive distillation of coal are __________
coke
coal gas
both a and b
none of these
Crude oil is formed from tiny sea creatures called _________.
Bacteria
Fungi
Diatoms
Virus
LPG mainly consists of __________
ethane
butane
propane
methane
_____________ is a mixture of a large number of complex organic compounds
coal
petroleum
natural gas
_______ is a hard, black colored rock-like substance.
Coal
Petrol
Natural Gas
None of these
The remains of dead plants animals which long ago and got buried inside the earth are called _______
Fossils
Sand
Petroleum
Burning of fossil fuels results in the formation of ________
Carbon dioxide gas
Oxygen gas
Oil
The energy from water is called _________ energy.
Hydro
Hygro
Agro
Thermal
_________ is the fossil record of the whole forests
LPG
Coke
The refining of petroleum is also known as ____________
destructive distillation of petroleum
fractional distillation of petroleum