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Chemistry test quiz 3

Chemistry test quiz 3

: a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo. 2a : the composition and chemical properties of a substance the chemistry of iron.

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Quiz Questions And Answers

Which of the following is not a nitrogenous fertilizer?

Urea
Ammonium nitrate
Superphosphate

Dry Ice is nothing but:

washing soda
solid carbon dioxide
carbon monoxide

Which one of the following is obtained as slag in a blast furnace?

Calcium Sulphate
Calcium Chloride
Calcium Silicate

When H₂ gas is allowed to expand from a region of high pressure to a region of low pressure the temperature of the gas:

increases
does not change
decreases suddenly

In the industrial production of vegetable ghee, the process involved is:

reduction
oxidation
ionization

Which of the following weeds has been found useful to check water pollution caused by industrial affluents?

Elephant grass
Water hyasin
Parthenium and Elephant grass

Pyroligneous acid obtained from wood contains:

10% formaldehyde
10% acetic acid
10% formic acid

Which of the following pairs is correctly matched?

Milk of lime- sodium sulphate
Glauber's salt - calcium sulphate
Saltpeter - potassium nitrate

Which is not a correct statement?

Phenols are acidic.
In benzene, all the atoms lie in one plane.
Methylated spirit contains only methanol.

Which of the following could be used as fuel in propellant or rockets?

Liquid Oxygen + Liquid Argon
Liquid Nitrogen + Liquid Oxygen
Liquid Hydrogen + Liquid Oxygen
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