Question # 1

The relative rates of diffusion of a gas (Mol, wt. - 98) as compared to hydrogen will be

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1/7

1/5

1/4

1

Ammonia gas used directly as a fertilizer is injected into the soil at a depth of about

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Two inches

Three inches

Five inches

Six inches

Covalent compounds are soluble in

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Polar solvents

Non-polar solvents

Concentrated acids

All solvents

During the folding of filter paper the apex form angle of about

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80^o

60^o

180^o

90^o

The number of atoms in 0.0004 g of magnesium is close to

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24

2 x 10²⁰

10²⁰

6.02 x 10²³

Portland cement is manufactured by using

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Limestone,clay and sand

Limestone,gypsum and sand

Limestone,gypsum and alumina

Limestone,clay and gypsum

Octane number is zero for

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n-Heptane

Isooctane

n-Hexane

Isoheptane

Bromine is obtained on a commercial scale from

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Caliche

Carnallite

Common satl

Cryolite

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NAT I Medical Chemistry MCQs With Answers

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