Question # 1

Which of the following statement regarding catalyst is not true?

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A catalyst remains unchanged in composition and quantity at the end of the reaction

A catalyst can initiate a reaction

A catalyst dose not alter the equilibrium in a reversible reaction

Catalysts are sometimes very specific in respect of reaction

The percentage of oxygen in NaOH is

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40

60

8

10

By using the fluted filter paper rate of filtration is

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Increased

Decreased

Filtration is constant

Having no effect

The last orbit of argon would have electrons

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8

18

2

6

The halide which is not hydrolysed is

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SiCI₄

SiF₄

CCI₄

PbCI₄

Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of

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Easy diffusion of Li⁺ ions

Lower ability of Li⁺ ions to polarize water molecules

Lowest charge to radius ratio

Higher degree of hydration of Li⁺ ions.

Reaction of acids with alcohols is also known as

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Esterification

Saponification

Alkalization

None

For the carbylamine reaction we need hot alc.KOH and

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Any amin and chloroform

Chloroform and Ag powder

A primary amine and chloroform

A mono alkyl amine and trichlorom-ethane

Which metal is protected by a layer of its own oxide?

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AI

Ag

Au

Fe

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