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Chemistry

Chemistry
The gas which emits from rice field is

All of these
Methane
Nitrogen
Ethane

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Chemistry
The water pollution in river is measured by the dissolved amount of

Oxygen
Chlorine
Nitrogen
Ozone

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Chemistry
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

Hydroxy phenyl alanine
Amino phenyl alanine
Phenyl alanine
Dihydroxy phenyl alanine

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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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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methane
Ethyl formate
Acetylene
Methyl alcohol

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Helium
Krypton
Radon
Argon

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MORE MCQ ON Chemistry

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