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Q. The chief source for the production of nitrogeneous fertilizers is:
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Q. If the bullets could not be removed from gunshot injury of a man, it May cause poisoning by–
Q. The enzyme that converts glucose to ethyl alcohol is:
Q. What is the value of Avogadro number?
Q. The chemical behavior of an atom depends upon –
Q. Which British physician discovered smallpox vaccine?
Q. Amalgam is an alloy in which the base metal is–
Q. Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
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