Methane contributes towards global warming so it is called a _________________ gas.
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Which group in the modern periodic table contains elements that are inert gases?
One of the earliest explorers who visited India was Megasthenes. Which country did he hail from?
Which among the following noble gas has highest molar mass?
___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.
___ is not related to gases.
_______contributes towards global warming so it is called a greenhouse gas.
Which of the following gases makes bread or cake rise making them soft and spongy?