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Chemistry

Chemistry
Molality of pure water is

5.55
55.5
1.8
18

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Chemistry
The important metal used with iron to produce stainless steel is

Aluminium
Chromium
Carbon
Tin

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Chemistry
Which of the following produces highest amount of energy upon oxidation?

Fat
Glucose
An alkane
Protein

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Chemistry
The nuclear particles which are assumed to hold the nucleons together are

mesons
positrons
neutrons
electrons

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Chemistry
________ is used for making vinegar.

Oxalic acid
Tartaric acid
Acetic acid
Malic acid

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Reduction
Corrosion
Galvanisation
Sublimation

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