Question # 1

Total number of valence electrons in CH4

Choose an answer

8

9

10

12

Gases exert pressure on walls of container because the gas molecules:

Choose an answer

Obey gas laws.

Have definite volume.

Collide with the walls of container.

Collide with each other.

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called

Choose an answer

Fibre

Plastic

Varnish

Polyamide resin

The compound which does not form iodoform:

Choose an answer

methyl alcohol

ethyl alcohol

acetone

acetaldehyde

The molecules of CO₂is dry ice form the

Choose an answer

ionic crystals

covalent crystals

molecular crystals

any type of crystal

Choose the difference between natural and synthetic fertilizers:

Choose an answer

shapes

usage

crop application

raw material

CH₃CH₂COOH is also named as:

Choose an answer

Propionic acid

Propanoic acid

Acetic acid

Both (a) & (b)

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destory

Choose an answer

50,000

10,000

20,000

None of these

All of the following have cleavage planes except:

Choose an answer

molecular crystals

metallic crystals

covanent crystals

ionic crystals

When two ice cubes are pressed together they unite to form one cube. which of the following forces is responsible for holding them together?

Choose an answer

H-bonding

Covalent bonding

van der waal's forces

dipole-dipole interaction

What is the most common catalyst used in hydrogenation of oils?

Choose an answer

cobalt

nickel

tungsten

copper

The equilibrium constant in a reversible chemical reaction at a given temperature

Choose an answer

Depends on the initial concentration of the reactants

Depends on the concentration of one of the products at equilibrium

Does not depend on the initial concentration of rectants

It is characteristic of the reaction

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Choose an answer

Sodium chloride does not ionize in the water solution

Sodium chloride is not soluble in water

Sodium deposited at the cathode may react with water to form sodium hydroxide

Electricity does not pass through aqueous NaCl

The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:

Choose an answer

Water

Oxidizes of lithium oxides

Oxidizes of magnesium

Oxidizes of aluminium

The shape of CIO^-₃according to valence shell electron pair repulsion theory will be

Choose an answer

Planar triangle

Pyramidal

Tetrahedral

Square planar

Negatively charged particle nature of cathode rays was first demonstrated in 1895 by:

Choose an answer

Millikan.

J. Perrin.

Hittrof

J.J. Thomson.

The polymers which can be re-softened again and again are caled

Choose an answer

Thermoplastic

Thermosetting

Both a and b

None

Bronze is an alloy which contains

Choose an answer

60% cu

70% cu

80% cu

99% cu

The region of earth capable of supporting life is

Choose an answer

Hydrosphere

Lithosphere

Biosphere

Atmosphere

The number of antibonding electron pairs in O^2-molecular ion on the basis of MOT is

Choose an answer

4

3

2

5

Which of the following organic compounds exhibits positive Fehling test as well as iodoform test?

Choose an answer

Methanal

Ethanol

Propanone

Ethanal

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:

Choose an answer

Fiber

Plastic

Vanish

Polyamide resin

More Classes

Other Links

Chemistry General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer