Question # 1

Gelatin protein is found in.

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Blood

Skin

Heart

Bones

Which one of the following is not air pollutant.

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CO₂

CO

NO₂

O₂

Arrhenius put forward acid base concept in.

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1878

1786

1787

1790

When acid reacts with sulphites and Bi sulphates which gas is evolved?

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H2

CO₂

SO₂

NH₃

A salt is not composed of

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A metallic cation

Non -metallic anion

an anion of a base

An anion of an acid

Open chain compounds are also called:

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aliphatic compounds

alicyclic compounds

aromatic compounds

hydrocarbons

Natural gas contains.

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Methane

Ethane

Propane

All

Which contains sufficient amount of metal?

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Mineral

Ores

Rocks

Soil

Rickets disease is caused by the deficiency of.

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Vitamin D

Vitamin A

Vitamin E

Vitamin C

Number of vitamins in vitamin B complex is.

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10

8

6

12

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

Which acid is used an electrolyte in lead storage battery?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Chemical formula of Stearic acid.

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C₁₅H₃₁COOH

C₁₇H₃₅COOH

C₁₅H₃₇COOH

None of them

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