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Chemistry

Chemistry
The formula C6H5-CO-CH3 represents

Acetophenone
Phenyl acetate
Acetone
Acetic acid

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Chemistry
________ gives hardness to stainless steel.

Zinc
Carbon
Tin
Lead

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Acetic Acid
Ethyl Alcohol
Methyl Alcohol
Ethylene

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Chemistry
Denatured spirit is ethanol mixed with

Petrol
Kerosene
Pyridine
Water

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Chemistry
In ice, the number of hydrogen bonds per water molecule is

8
1
4
2

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Chemistry
Chemical formula of washing soda is

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

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