Question # 1

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Glucose and fructose are;

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trioses

tetroses

pentoses

hexoses

The organic compound used as drugs to control bleeding are.

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Vitamins

Proteins

Lipids

Glycerides

Potassium Ferrocyanide is a:

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Normal salt

Mixed salt

Complex salt

Double salt

Which of the following gas is used in warfare?

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Methane

Ethane gas

Mustard gas

None of these

The strong heating of coal in the absence of air is called.

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Carbonization

Destructive distillation

Fractional distillation

All

How many % age of nitrogen present in air by volume?

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70%

75%

78%

80%

Which gas is in involved in ozone depletion?

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Nitrogen

CFC's

Chlorine

All of them

The base which is used in alkaline batteries is.

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NaOH

Al(OH)₂

KOH

Mg(OH)₂

In chemical reaction , the substances that combine are called.

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Reactants

Products

Equlibrium

Numerator

Who proved that the presence of hydrogen as the main constituent of all acids.

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Lavoisier

Humphrey Davy

Dalton

Arrhenius

The process by which atmospheric nitrogen is turned into nitrates in the soil is called.

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Nitration

Fixing

Oxidation

Reduction

Alkanes give reaction only

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Addition

Decomposition

Substitution

Displacement

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

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