Question # 1

Reactions which have comparable amounts of reactants and products at equilibrium state have:

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very small Kc value

Very large Kc value

Moderate Kc value

None of these

Chemical formula of chloroform is :

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CH₂Cl₂

CH₃Cl

CHCl₃

CCl₄

Sodium zeolite is resin of:

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NaAl(SiO₃)₂

KAl(SiO₃)₂

LiAl(SiO₃)₂

RbAl(SiO₃)₂

According to Lewis concept, acid is a substance which.

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Can donate protons

Can donate an electron pair

Can accept protone

Can accept electron pair

Chemical formula of copper glance is:

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Cu2O

Cu2S

CuFeS2

CuSO4

Red hair contains compound of.

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Iron

copper

titanium

Molybdenum

Carbohydrates are synthesized by plants through.

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Respiration

Photosynthesis

Dehydrateion

Evaporation

__________ acid cause acidity of stomach.

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Oxalic acid

Hydrochloric acid

Sulphuric acid

Nitric Acid

The black residue of the coal tar is called:

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peat

lignite

pitch

matte

Which of the following is a secondary pollutant.

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CO₂

CO

SO₃

HF

Reaction which have comparable amount of reactants and products at equilibrium state have.

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Very small Kc value

Very large Kc value

Moderate Kc value

None of these

Ionic compounds are soluble in water due to:

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Hydrogen bonding

ion-dipole forces

Dipole-dipole forces

Dipole -induced dipole forces

The substances formed during the chemical reaction are called.

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Product

Reactants

Radicals

Element

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