Question # 1

Which acid is used for etching designs on copper plates?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Which acid is used an electrolyte in lead storage battery?

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H₂SO₄

HNO₃

HCl

CH₃COOH

In the preparation of insoluble salts, which one of the facts is incorrect?

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Two soluble salts are mixed

Two in soluble salts are mixed .

One of the salt produced is insoluble

Both of the salts produced are insoluble

The process which convert vegetable oil into banaspati ghee called.

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Hydrogenation

Halogenation

a and b

None of these

|Which one is not an Arrhenius acid?

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HCl

H2SO₄

CO₂

HNO₃

Which process is responsible for ascending of water in roots:

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evaporation

transpiration

condensation

capillary action

Which vitamin is soluble in water?

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Vitamin A

Vitamin E

Vitamin D

Vitamin C

Sodium zeolite is resin of:

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NaAl(SiO₃)₂

KAl(SiO₃)₂

LiAl(SiO₃)₂

RbAl(SiO₃)₂

The reactions in which products can recombine to form reactants is called.

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Irreversible reactions

Reversible reactions

Direct reactions

Indirect reactions

Petroleum fraction having composition C₅ to C₇ is.

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Petroleum Gas

Petroleum Ether

Kerosine oil

Gasoline or petrol

Which ion cause water hardness?

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Al²

Mg²

Fe²

Na²

The base which is used in alkaline batteries is.

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NaOH

Al(OH)₂

KOH

Mg(OH)₂

The meaning of latin word acidus is.

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Sweet

Tasteless

Salty

Sour

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