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Chemistry

Chemistry
How many electrons can be accommodated in d-orbital

10
8
6
3

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Chemistry
Chemical formula of washing soda is

Na2SO4.10H2O
Na2CO3.10H2O
NaHCO3
Ca(OH)2

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Chemistry
The purest form of water is

Distilled water
Tap water
Ground water
Rain water

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Chemistry
Percentage of lead in lead pencils is

80
40
31-66

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Sulphuric acid
Nitric acid
Hydrochloric acid
Phosphoric acid

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Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Sol
Gel
Precipitate
Emulsion

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MORE MCQ ON Chemistry

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