Question # 1

Almost all air crafts fly in which reion?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

Concentration is a separating technique in which mineral is separated from.

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Gangue

Silicates

Aluminates

All

General formula of Alkane is.

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C₁₀H_2n-2

C₆H₂₆

C₁₁H_2n-2

C_nH_2n-2

Bister copper is pure about;

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70%

80%

90%

98%

Gelatin protein is found in.

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Blood

Skin

Heart

Bones

Temporary hardness can be removed by__________.

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Quick lime

Slaked lime

Lime stone

HCl

Swimming pools are cleaned by a process:

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Hydrogenation

Bromination

Chlorination

Nitration

Water is a;

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strong electrolyte

non-electrolyte

weak electrolyte

natural compound

Glucose and fructose are.

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Pentose

Triose

Hexoses

None of these

Vitamin are accessory Growth factors they play important role in our body like.

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Provide energy to the body.

Insulate our body from electric shock

Build brain cells

Regulate metabolism

Depending upon temperature variation, atmosphere ins divided into how many regions?

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1

2

3

4

The bond angle between H-O-H in water is:

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104.5^o

104.6^o

104.7^o

104.8^o

Which acid is found in Ant sting?

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Citric Acid

Formic Acid

Uric Acid

Sulphuric acid

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