Chemistry science quiz 35

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

Which of the following compound is not used as an an alkali?

Potassium hydroxide

Carbon hydroxide

Nitrogen hydroxide

None

Correct! Wrong!

Which of the following is the chemical name of the lime stone?

Calcium chloride

Calcium sulphate

both (a) & (b)

Calcium carbonate

Correct! Wrong!

Tell the composition of soap?

Sodium salt with fatty acids

Both (a) & (c)

Potassium salt with fatty acids

None of these

Correct! Wrong!

The coating of thin layer of the zinc on the steel or iron utensils is called:

Lamination

Monazite sand

both (a) & (b)

None

Correct! Wrong!

The sharp (bitter) smell of the substance which is found in the colouration or painting is:

Zn3(P04)2

CaC03

Al2 (S04)3

None of these

Correct! Wrong!

Which of the following metal is the best conductor of the electricity?

Copper

Gold

Silver

All of these

Correct! Wrong!

Who discovered cell in 1665?

As an explosive

As an reactor

As an composition

As an nuclear weapon

Correct! Wrong!

Which one is not the form of Biocides?

Sugar

Bleech

Both (A)and (B)

none

Correct! Wrong!

Chemistry science quiz 35

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