LPG consists of mainly:
A. Methane, Ethane and Hexane
B. Ethane, Hexane and Nonane
C. Methane, Hexane and Nonane
D. Methane, Butane and Propane
Answer: Option D
A. Methane, Ethane and Hexane
B. Ethane, Hexane and Nonane
C. Methane, Hexane and Nonane
D. Methane, Butane and Propane
Answer: Option D
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
methane is not involved