Which of the following gases is known as "Laughing Gas"?
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Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?
The reaction of Copper Sulphate and Iron produces Iron Sulphate and __________.
Nitric acid does not react with
Who formulated ‘the atomic theory’ of a matter?
Which of the following metals displaces Iron from Iron Chloride?
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
Which of the following is not an Igneous Rock?
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