-
- Weak dissociation of water molecule
- Its high specific heat
- Hydrogen bonding among water molecules
- Its high dielectric constant
Sciences MCQs
In a hydrogen bomb, hydrogen is converted into _____.
-
- Uranium – 238
- Uranium
- Barium
- Helium
Stains of rust from iron on clothes can be removed by _____.
-
- Petrol
- Oxalic acid
- Alcohol
- Hydrogen peroxide
Which of the following gases is used in fire extinguishers?
-
- Carbon dioxide
- Oxygen
- Hydrogen
- Nitrogen
Cooking gas is a mixture of two gases namely _____.
-
- Oxygen and Methane
- Oxygen and Nitrogen
- Bautane and Propane
- Methane and Carbon dioxide
Iron articles rust because of the formation of _____.
-
- ferrous chloride
- sodium carbonate
- a mixture of ferrous and ferric hydroxide
- ferric chloride
By which of the following gases is ripening of fruits hastened?
-
- Hydrogen
- Methane
- Ethylene
- Carbon dioxide
The energy emitted from the sun is supposed to be due to _____.
-
- Radioactive disintegration
- Combustion of hydrogen
- Nuclear fission
- Nuclear fusion
Oxidation involves _____.
-
- Combustion
- Gain of hydrogen
- Gain in electrons
- Loss of electrons
Atom bomb is based on the principle of _____.
-
- Nuclear fission
- Nuclear fusion
- Radioactive
- Both nuclear fission and fusion