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Chemistry

Chemistry
One carat of diamond is equal to

100 mg
150 mg
200 mg
250 mg

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Chemistry
The gas which emits from rice field is

Ethane
All of these
Nitrogen
Methane

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Chemistry
Silicone is a polymer of

Silane
Dialkyl dichloro silane
Tetraalkyl silane
Silicon tetrachloride

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Chemistry
Percentage of carbon in steel ranges from

0.1 to 1.5
1.5 to 3.0
3.0 to 4.0
4.0 to 6.0

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Chemistry
The main constituent of biogas is

Acetic acid
Oxygen
Methane
Methyl alcohol

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Chemistry
Milk is a colloidal system in which:

Fat and water are dispersed in each other
Fat is dissolved
Fat is dispersed in water
Water is dispersed in fat

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