Practice Biochemistry Questions and Answers

• Which of the following is a super-cooled liquid?
• Soap is prepared by boiling caustic soda with -
• When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is-
• The substance that is added to make natural rubber strong and more bouncy is-
• What are the main constituents of LPG?
• What happens to the weight of Iron, when it rusts?
• What is the fourth state of matter called?
• What is the order of distance for interatomic forces to be active?
• Black lung disease occurs in people working in
• The Bhopal tragedy was caused by the gas
• Which of the following is an iron ore ?
• Which mineral is the ore Of aluminium?
• Which of the following is used to remove ink and rust stains on cloth?
• Electric bulbs are filled with :
• Dry powder fire extinguishers contain
• Who developed Hydrogen Bomb?
• Who developed atom bomb ?
• The nucleus of an atom consists of-
• What is the most commonly used Substance in fluorescent tubes?
• The gas usually causing explosions in coal mines is-
• Petroleum is a mixture of-
• The major component of honey is-
• Manganite is an ore/mineral of
• The chemical name of 'Common salt’
• Water gas is the mixture of