EASY
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IMPORTANT
Earn 100

Sodium bicarbonate generally known as _________.
(a)Limestone
(b)Salt
(c)Baking soda
(d)Chalk

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Important Questions on Chemistry
EASY
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IMPORTANT
The Hardest allotrope of carbon is ______.

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IMPORTANT
The material used in the manufacture of the lead pencil is ______.

MEDIUM
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IMPORTANT
When formaldehyde and potassium hydroxide are heated, we get:

MEDIUM
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IMPORTANT
Which gas is used as a fire extinguisher?

MEDIUM
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IMPORTANT
Which variety of coal contains recognizable traces of the original plant material?

EASY
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IMPORTANT
Petroleum consists of a mixture of:

MEDIUM
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IMPORTANT
Tetra ethyl lead (TEL) is:

EASY
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IMPORTANT
Which of the following is not a form of carbon?
