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CH4
H2S
CO
C2H2
Mass of electron is
Methane contributes towards global warming so it is called a _ gas.
Misch metal is widely used in manufacture of which of the following
Mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?
Molasses a by-product in the manufacture of sugar, is converted into
Most commonly used bleaching agent is
Most covalent compounds
Most of the explosions in mines occur due to the mixing of
Most poisonous pollutant in water is
n nuclear reactor, Chain reaction is controlled by introducing