Question # 1

The color of Iodine is:

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Purple

Black

Red

Pink

We exhale gas in the atmosphere during respiration.

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Carbon dioxide

Oxygen

Nitrogen

Water

The color of hydrogen Iodide is:

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Colourless

Black

Red

Pink

For which reaction Kf is the rate constant?

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Forward reaction

Backward reaction

Upward reaction

Downward reaction

An equilibrium is achievable only in a:

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big system

small system

open system

closed system

Guldberg and waage put forward law of mass action in:

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1860

1869

1870

1879

When CaCO_3,.is heated in an open flask, it decomposes to form calcium oxides and .

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O₂

CO

CO₂

CO₃

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

Which chemical is called king of chemicals?

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KNO₃

H₂SO₄

HCl

NHO₃

The reaction in which the products do not recombine to form reactants are called.

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Inversible reactions

Reversible reaction

Decomposition

Addition

The forward reaction takes place:

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Right to left

Left to Right

Only to right

Only to left

Guldberg and waage out forward law of mass action in:

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1889

1879

1869

1859

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10th Class Chemistry Chapter 9 Chemical Equilibrium English Medium KPK Boards Online Mcqs MCQs With Answers

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