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Chemistry

Chemistry
Oxygen has (+) oxidation number only in

H2O (2)
C12O
N2O
OF2

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

O-cresol + terepineol
O-chlorophenoxylenol + terepineol
Chloroxylenol + terepineol
Phenol + terepineol

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Chemistry
White lung cancer' is caused by

Asbestos
Silica
Textiles
Paper

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Chemistry
The main buffer system of the human blood is

H2CO3 - CO32-
CH3COOH - CH3COO-
NH2CONH2 - NH2CONH+
H2CO3 - HCO3

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid and acetic anhydride
Nitric acid and ethyl alcohol
Nitric acid and acetic acid
Nitric acid in excess

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Chemistry
Iron rusts quickly in

Distilled water
River water
Rain water
Sea water

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