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Chemistry

Chemistry
The value of Avogadro Number is

6.023 × 1022
6.023 × 1024
6.023 × 1025
6.023 × 1023

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Chemistry
The most important ore of aluminium is

monazite
haematite
magnetite
bauxite

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Chemistry
Citric acid is present in free form in

Tamarind
Apple
Milk
Lemon

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Chemistry
Which of the following is used as anesthetic ?

NO2
NO
N2O
NH3

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Chemistry
Total number of naturally occurring elements

92
98
62
110

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Chemistry
Which of the following is ozone depleting pesticide ?

Methyl bromide
Ethylene ozonide
Benzene
D.T.

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