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Chemistry

Chemistry
Which one of the following is found in Vinegar ?

Acetic acid
Propionic acid
Butyric acid
Formic acid

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Chemistry
What is the atomic number of Oxygen

22
8
5
12

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Chemistry
Entropy of Universe is always

Decreasing
Increasing
Constant
Zero

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Chemistry
Dry powder fire extinguishers contain

Sand and sodium carbonate
Sand and potassium carbonate
Sand
Sand and sodium bicarbonate

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Chemistry
Baryllium Sulphate is less soluble in water due to

High inflammable energy
Lonic band
Low Energy of dissociation
Low inflammable energy

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

Sodium Chloride
All listed here
Silver Iodide
Dry ice or frozen carbon dioxide

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MORE MCQ ON Chemistry

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