EASY
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IMPORTANT
Earn 100

What is the chemical formula for laughing gas?
(a)Nitrous Oxide
(b)Carbon monoxide
(c)Sulphur dioxide
(d)Hydrogen peroxide

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Important Questions on Chemistry
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IMPORTANT
Which of the following gases is lighter than air?

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Which of the following is the lightest metal?

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Which of the following is the best conductor of electricity?

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Balloons are filled with:

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The gas used to extinguish the fire is:

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Gobar gas contains mainly:

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The most malleable metal is:

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The gas usually filled in the electric bulb is:
