What is the product of decomposition of animal and plant waste in the absence of air?
Gas carbon
Coal gas
Biogas
CNG
Coal tar is used in the manufacturing of which of the following products?
Synthetic dyes
Drugs
Explosives
All of the above
What is the expansion of PCRA?
Pollution Control Research Association
Petroleum Conservation Research Association
Petroleum Control Research Association
Petrol Coal Research Association
Which of the following is the least polluting fuel for vehicles?
Coal
Petrol
Diesel
What is the slow process of conversion of dead vegetation into coal called?
Carbonization
Distillation
Filtration
Combustion
What is the principle on which fractional distillation works?
Density of each fraction is different
Molecular weight of each fraction is different
Boiling point of each fraction is different
Melting point of each fraction is different
Read the given statements and select the correct option.Statement 1: Coal, petroleum and natural gas can not be prepared in the laboratory.Statement 2: Their formation is a slow process and the required conditions cannot be created in the laboratory.
Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1
Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1
Statement 1 is true and statement 2 is false
Both statements 1 and 2 are false
Coke is used in the manufacturing of which of the following metals?
Nickel
Chromium
Steel
Copper
Which of the following petroleum product is used in ointments?
Bitumen
Kerosene
Paraffin wax
Lignite
Heavy motor vehicles like trucks commonly run on which fuel?
LPG