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Chemistry

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

12 gms
120 gms
0.12 gms
1.2 gms

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Scum
Sewer
Sewage
Sludge

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Chemistry
Sour taste of lemon is due to the presence of which of the following ?

Citric acid
Oxalic acid
Acetic acid
Formic acid

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Chemistry
The gas which emits from rice field is

Ethane
All of these
Nitrogen
Methane

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Chemistry
The ore of Aluminium is

Bauxite
Fluorspar
Hematite
Chalco pyrites

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

Sol
Emulsion
Precipitate
Gel

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MORE MCQ ON Chemistry

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