Question # 1

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

Which one of the following is not an air pollutants?

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Nitrogen

Carbon dioxide

Nitrogen oxide

Ozone

Higher concentration of CO causes.

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Fatique

Headache

Both of them

None of them

On hydrolysis sucrose produces one unit of glucose and one unit of.

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Fructose

Starch

Cellulose

None of them

Acids have taste

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Bitter

Seetish

Sour

Saltish

Which is a hereditary material?

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DNA

RNA

Protein

All of them

Sea water in unfit for drinking purpose die to the presence of.

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Salts

Algae

Fishes

All of them

Which one of the following salts makes the water permanently hard?

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NaCO₃

NaHCO₃

CA(HCO₃)₂

CaSO₄

Which of the following is tasteless?

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Starch

glucose

Fructose

Sucrose

Petroleum is refined by

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Destructive distillation

Fractional distillation

Simple distillations

Dry distillation

Which acid is found in Ant sting?

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Citric Acid

Formic Acid

Uric Acid

Sulphuric acid

Ionic compounds are soluble in water due to:

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Hydrogen bonding

ion-dipole forces

Dipole-dipole forces

Dipole -induced dipole forces

The residual oil is heated above 400 c to produce.

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Lubricants

Paraffin wax

Asphalt

All

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