Question # 1

Residence time of methane in the atmosphere is

Choose an answer

3 - 7 days

2 -3 days

3 - 7 years

2 - 3 years

Which of the following is woody raw material used for making pulp and paper:

Choose an answer

Eucalyptus

Bagasse

Wheat straw

Cotton linter

C₆H₁₂O₆is molecular formula of:

Choose an answer

Glucose

Dextrose

Fructose

All of these

An amino acid exists in the form of Zwitter-ion Which has:

Choose an answer

one - ve charge

one + ve charge

two + ve carges

one + ve and one -ve

The Kw. of water at 25 C° is given by

Choose an answer

10(-7)

10(-10)

10(-12)

10(-14)

Which of the following species is used to formation of glycerol fatty acid from triglyceride

Choose an answer

NaOH

Ni

Lipase

All

The B.P. of compound is mostly raised by

Choose an answer

dipole-induced dipole interactions

london dispersion forces

intramolecular H-bonding

intermolecular H-bonding

Which products are formed when triglyceride is hydrolysed

Choose an answer

Glycerol

Fatty acid

Glycerin

Both A and B

The structure normally associated with ionic bonding is:

Choose an answer

a giant lattice

a simple molecule

a giant molecule

a regular arrangement of ions surrounded by a sea , or cloud, of electrons

The process of effusion is best understood by law

Choose an answer

Grahams

Boyle s

Charles s

Avogadro s

Zine does not show variable oxidation state, because

Choose an answer

Its d-subshell is incomplete

Its d-subshell is complete

It is relatively soft metal

It has two electrons in outermost shell

By simply reacting Grignand's reagent with water we get

Choose an answer

An alkane

Higher alkane

An alkene

An alkyne

The standard enthalpy change in the formation of 1 mole of a compound from its elements in their standard physical states is

Choose an answer

Enthalpy of formation

Enthalpy of atomization

Enthalpy of neutralization

Internal energy change

Complex protein molecules which catalyses the organic reactions in the living cells are called

Choose an answer

Living organisms

Enzymes

Viruses

Bacteria

Direct conversion of solid intro vapours is called:

Choose an answer

Crystallization

Sublimation

Obligation

Vapourization

Benzene is an example of

Choose an answer

Aromatic compound

Cyclic compound

Aliphatic compound

A cyclic compound

Which statement is incorrect about standard hydrogen electrode

Choose an answer

Its oxidation and reduction potential is zero

It consists of Pt wire dipped on 1 molar HCI solution

The electrolyte is 1 molar NaOH solution

H₂gas is passes in it at 1 atmospheric pressure

An electrolyte

Choose an answer

Forms complex ions solution

Gives ions only when electricity is passed

Possesses ions even in solid state

Gives ions only when dissolved in water

A set of compounds in which reactivity of halogen atom in the ascending order is

Choose an answer

Chlorobenzene, vinyl chloride, chloroethane

Chloroethane, chlorobenzene, vinyl chloride

Vinyl chloride,chlorobenzene chloroethane

Vinyl chloride, chloroethane,chlorobenzene

Grignard's reagent was prepared in:

Choose an answer

1900

1910

1920

1930

The simplest and the parent members of aromatic hydrocarbon is

Choose an answer

Benzene

Toluene

Biphenyis

Naphthalene

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

Choose an answer

Fibre

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