Question # 1

Formula of Methyl alcohol

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CH₅-OH

CH₃-CH₂-OH

All of them

None of these

Rickets disease is caused by the deficiency of.

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Vitamin D

Vitamin A

Vitamin E

Vitamin C

Which one of the following does not contain starch

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Sugar cane

Maize

Barley

Potatoes

Alkalis react with ammonium salt to liberate.

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SO₂

CO₂

NH₃

H₂

The unit of molar concentration is:

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moldm^-3

moldm⁺³

molcm^-3

molcm⁺³

The green house effect is proportional to the amount of which gas in air.

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CO₂

O₂

N₂

All of them

The % age of carbon in coke is

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60

70

90

98

Hard water can cause.

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Stomach disorder

Boiler blasts

Inefficiency of engine

All of them

Equilibrium constant value "K" is equal to:

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Kt / Kr

Ki / Kr

Kc / Qc

Qc /Kc

_________ acid is used in lead storage batteries as electrolyte.

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CH₃COOH

HCl

HNO₃

H₂SO₄

Example of complex salt is.

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Zinc sulphate

Potash alum

Potassium ferrocynide

Sodium Phosphate

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

Bister copper is pure about;

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70%

80%

90%

98%

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