Methane contributes towards global warming so it is called a _________________ gas.
The common name of dichlorodifluoromethane is _____.
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Kidney stones are composed of ______.
Which of the following can be beaten and converted into thin sheets?
The substances which have very low ignition temperature and can easily catch fire with a flame are called _____________ substances.
Brownish film formed on iron when left in open is called?
The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.
Chemical formula for sulphurous acid is:
The melting point of ice is ____ K.
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