Chemistry Practice Questions Set 9

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

For India's Top Government Exams

Email *

Gypsum (CaSO₄.2H₂O) is added to the clinker during cement manufacturing *

1 point

to decrease the rate of setting of cement

to bind the particles of calcium silicate

to facilitate the formation of colloidal gel

to impart strength to cement

The macro nutrients provided by inorganic fertilizer are
*

1 point

carbon, iron, and boron

magnesium, manganese, and sulfur

magnesium, zinc, and iron

nitrogen, phosphorus, and potassium

Which one among the following will you put into pure water in order to pass an electric current through it?
*

1 point

Kerosene

Mustard oil

Lemon juice

Sugar

Which one among the following statements about an atom is not correct?
*

1 point

Atoms always combine to form molecules

Atoms are the basic units from which molecules and ions are formed

Atoms are always neutral in nature

Atoms aggregate in large numbers to form the matter that we can see, feel and touch

Which one of the following reactions is the main cause of the energy radiation from the Sun?
*

1 point

Fusion reaction

Fission reaction

Chemical reaction

Diffusion reaction

Which one among the following nontoxic gases helps in the formation of enzymes which ripen fruit?
*

1 point

Acetylene

Ethane

Methane

Carbon dioxide

What is the main constituent of a pearl?
*

1 point

Calcium carbonate and magnesium carbonate

Calcium sulfate only

Calcium oxide and calcium sulfate

Calcium carbonate only

Vermicompost is an/a ___
*

1 point

inorganic fertilizer

toxic substance

organic biofertilizer

synthetic fertilizer

From which one of the following water sources, the water is likely to be contaminated with fluoride?
*

1 point

Groundwater

River water

Pond water

Rainwater

The age of fossils may be found by determining the ratio of two isotopes of carbon. The isotopes are
*

1 point

C-12 and C-13

C-13 and C-14

C-12 and C-14

C-12 and carbon black

Send me a copy of my responses.

Submit

Clear form

reCAPTCHA

Privacy Terms

This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy

Forms