Question # 1

In irreversible reaction, dynamic equilibrium:

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Never establishes

Establishes before the completion of reaction

Establishes after the completion of reaction

Establishes readily

Process of heating the concentrated ore to high temperature in excess of air is called.

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Roasting

Smelting

Bessemerization

All

Halogenation of methane on the presence of diffused sunlight takes place.

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Only in one step

Slowly in one step

Freshly in two steps

In a series of four steps

Which compound do not produce in the halogenation of methane.

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Chloroform

Carbon tetrachloride

Carbon black

Chloromethane

Matte is a mixture of:

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FeS and CuS

Cu₂O and FeO

Cu₂S and FeS

CuS and FeO

Fertilizers are used to make up the deficiency of;

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oxygen and carbon

iron and magnesium

nitrogen and phosphorus

hydrogen and calcium

Carbon black is used in the manufacture of.

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Dry cleaning

Shoe polishes.

Fertilizer

None of these

Formula of Methyl alcohol

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CH₅-OH

CH₃-CH₂-OH

All of them

None of these

Which one of the following diseases severe diarrhea and can be fatal?

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Joundice

Cholera

Dysentery

Typhoid

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

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CH₄

C₁₀H₂₀

C₂H₄

C₂H₂

Which gas creates suffocation and causes death?

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CO

CO₂

SO₃

SO₂

Which one of the following gases is used to destroy harmful bacteria in water.

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Iodine

Chlorine

Fluorine

Bromine

What one of the following does not contain protein?

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Pulses

Potatoes

Beans

Eggs

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Chemistry 10th Class English Medium Online Test MCQs With Answers

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