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Chemistry

Chemistry
Antacids are found in drugs that give relief to

Headache
Acne
Eye sight
Stomach ache

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Acetylene
Ethane
Methane
Ethylene

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Chemistry
The polymer used in making plastic crockery is

Decron
Melamine
Nylon
Bakelite

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Chemistry
Which of the following is a secondary pollutant ?

PAN
NO
CO
SO2

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Chemistry
How many neutrons does iron have

26
30
13
8

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Chemistry
Diamond is harder than graphite because of :

Difference in layers of atoms
Tetrahedral structure of diamond
Difference of crystalline structures
None of these

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