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This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
Name a gas used as rocket propellant and in welding also?
Correct!
Wrong!
Name a gas which is separated from the air by passing an electric current through water?
Correct!
Wrong!
Name a gas which is used in refrigeration and in fire extinguisher?
Correct!
Wrong!
Name a gas which is used in the manufacture of vanaspati ghee, alcohol and ammonia?
Correct!
Wrong!
Name a gas used in high speed photography?
Correct!
Wrong!
Name the gas which is found in abundance in earth in both combine and free state with other elements?
Correct!
Wrong!
Name a tear gas which is used in riots?
Correct!
Wrong!
Name an inert diatomic gas which is neither combustible nor helps in combustion?
Correct!
Wrong!
Science Quiz 81
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