Question # 1

Which of the following gas is used in warfare?

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Methane

Ethane gas

Mustard gas

None of these

Temporary hardness of water is removed by adding.

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Ca(OH)₂

NaOH

KOH

CaSO₄

Which one is used for alkaline batteries?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Monosaccharide consists of number of carbon atoms.

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2 to 4

4 to 8

3 to 9

5 to 10

Natural gas contains.

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Methane

Ethane

Propane

All

Reactions which have comparable amounts of reactants and products at equilibrium state have:

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very small Kc value

Very large Kc value

Moderate Kc value

None of these

The ability of carbon atoms to form chains or ring called.

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Hydrogenation

Chlorination

Cantenation

Halogenation

Ethylene glycol can be prepared with the reaction of KMnO₄ and _____

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CH = CH

CH₃ - CH₃

CH₃CH₂CH₃

CH₂= CH₃

Cause of global warming is:

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CO₂gas

SO₂gas

NO₂gas

O₂gas

Eye inflammation is caused by the deficiency of vitamin.

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Vitamin D

Vitamin C

Vitamin B

Vitamin A

Which of the following salt is soluble in water.

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NaCl

KCl

Na₂SO₄

All of them

Acid occurring in sour milk

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Citric acid

Lactic acid

Bytyric acid

Malic acid

The gas use by plants to perform photosynthesis.

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O₂

CO₂

N₂

CO

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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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