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Chemistry

Chemistry
Which of the following is used to remove ink and rust stains on cloth?

Ether
Alcohol
Oxalic acid
Kerosene oil

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Chemistry
A fertile soil is likely to have a pH of

43989
9
14
3

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Maltase
Diastase
Zymase

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Chemistry
Which of the following is not present in RNA

Thymine
Uracil
Ribose
Phosphate

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Chemistry
Colour imparted to the Bunsen flame by strontium salt is

Bluish green
Apple-green
Brick red
Crimson red

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Chemistry
The Refrigerant 'FREON' is

Hydrofluosilicic Acid
Fluorspar and Felspar
Calcium Tetra Fluoride
Difluoro Dichloro Methane

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