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Chemistry

Chemistry
Iron rusts quickly in

Sea water
Rain water
River water
Distilled water

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Chemistry
Bleaching powder is used in drinking water as a/an

Coagulant
Antiseptic
Antibiotic
Disinfectant

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

cineole
geraniol
engenol
limonene

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Chemistry
Which one is a soluble salt in H2O

CuS
CaCl2
PbCl2
Zn(OH)2

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Chemistry
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is

36
53
17
19

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Chemistry
Supersonic jet causes pollution by thinning of

SO2 layer
O3 layer
CO2 layer
O 2 layer

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MORE MCQ ON Chemistry

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