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Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers

Question # 1

Which chemical is called king of chemicals?

Choose an answer

KNO₃

H₂SO₄

HCl

NHO₃

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Question # 2

The color of hydrogen Iodide is:

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Colourless

Black

Red

Pink

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Question # 3

When the number of moles of both sides are equal in a reaction then the unit of Kc will be:

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no unit

mol-2 dm6

mol dm3

mo-2 dn

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Question # 4

The unit of molar concentration:

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mol. dm^-2

mol. dm^-1

mol. dm

mol. dm^-3

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Question # 5

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

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Question # 6

Such reationsin which reactants and products are sufficient in quantities the Kc value of equilibrium state will be

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Very small

Very large

Moderate

None of these

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Question # 7

Which type of reactions take place in both directions?

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Addition reactions

Reversible reactions

Irreversibel reactions

Decomposition reactions

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Question # 8

Which colour of HI is ?

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Orange

Purple

Red

Colourless

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Question # 9

The reaction in which the products can recombine to form reactants are called.

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Reversible reaction

Irreversible reaction

Decomposition

Addition

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Question # 10

When the reaction causes to produced it is called.

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Chemical equlibrium state

Static equilibrium

Dynamic equilibriiun

All

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Question # 11

When the magnitude of Kc is very large in indicates.

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Reaction never go to completion

Reaction is in equilibrium state

Reaction will complete after some time

Reaction has almost to completion

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Question # 12

The substance formed during the chemical reaction are called.

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Products

Reactants

Radical

Element

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