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Chemistry

Chemistry
________ is used for making vinegar.

Oxalic acid
Malic acid
Acetic acid
Tartaric acid

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Chemistry
The buffer action of blood is due to the presence of

HCI and NaCI
[HCO3]– and H2CO3
CI– and [HCO3]–
CI– and [CO3]2–

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

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

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Chemistry
Colour imparted to the Bunsen flame by strontium salt is

Crimson red
Apple-green
Bluish green
Brick red

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Chemistry
Which of the following elements is not present in stainless steel?

Iron
Nickel
Tungsten
Chromium

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Chemistry
The number of electrons presents in H+ is

three
one
zero
two

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MORE MCQ ON Chemistry

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