Question # 1

Vibrious cholera bacteria causes the disease

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Cholera

Diarrhea

Jaundice

Hepatitis

Amino acid are linked to each other through.

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Hydrogen link

Ionic link

Gelatin link

Peptide link

Which gas protects the Earth's surface from ultraviolet radiations?

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CO₂

CO

N₂

O₃

Which acid is used for food preservation?

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Hydrochloric acid

Benzoic acid

Sulphuric acid

Nitric acid.

Formic acid is present in

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String of bees

Sour milk

Apple

Fats

Which salt is used for the manufacture of detergents, pulp and paper?

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NaCl

Na₂CO₃

Na₂SiO₃

NaCl

Low sugar level in human body result in.

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Hyperglycemia

Hypoglycemia

Anemia

All of them

Water molecule had a structure;

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non-polar

polar

ionic

tetrahedral

Some organic compound are soluble in water due to the presence of .

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-OH

H⁺

Botha a and b

Covalent bond

Water of crystallization is responsible for.

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Melting points of crystals2

Boiling point of crystal

Shape of crystal

Transition points of crystals

Which gas is in involved in ozone depletion?

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Nitrogen

CFC's

Chlorine

All of them

Which of the following gas is used to destroy harmful bacteria in water.

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Iodine

Chlorine

fluorine

Bromine

Which one is not the fraction of residual oil?

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Paraffin wax

Asphalt

Fuel oil

Coke

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

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