Question # 1

Transportation causes to produce CO₂ in atmosphere:

Choose an answer

72%

73%

74%

75%

Carbon Monoxide is:

Choose an answer

colouriess

orderless

high toxic

All of these

Which of the following shows group IIIB

Choose an answer

Zn, Cd. Hg

Cu. Ag. Au

Sc. Y. La

Ni. Pd. Pt

What element is not essential for the growth of plants and not required in the fertilizers?

Choose an answer

nitrogen

potassium

phosphorus

barium

The heat of hydrogenation of most of the alkene is about

Choose an answer

120 kJ/mol

100 kJ/mol

140 kJ/mol

105 kJ/mol

All of the following are essential amino acids except

Choose an answer

Lysine

Aspartate

Tryptophan

Hisitidine

Components of environment is (in km) around the earth:

Choose an answer

10 km

100 km

1000 km

1500 km

An alkyl halide reacts with NH3 to give

Choose an answer

Amide

Cyanide

Amine

Aniline

On the basis of intermolecular forces diamond is a

Choose an answer

ionic solid

covalent solid

metallic solid

molecular solid

Benzene cannot undergo the ------- directly

Choose an answer

Substitution reaction

Addition reaction

Oxidation reaction

Elimination reaction

Lysine

Choose an answer

Basic Only ketogenic

Ketogenic glucogenic

Acidic glucogenic

Non essential

Which of the following is a characteristic of a reversible reaction?

Choose an answer

It never proceeds to completion

It can be influenced by a catalyst

It proceeds only in the forward direction

Number of moles of reactants and products are equal

Which of the following salt is soluble in water

Choose an answer

CaCO₃

CaSO₄

MgSO₄

BaSO₄

Titanium is used as a catalyst in

Choose an answer

Hydrogenation

Dehydrogenation

Polymerization of P.E.

Oxidation of ammonia

In the ground state of an atom the electron is present

Choose an answer

In the nucleus

In the second shell

Nearest to the nucleus

Farthest from the nucleus

Which of the following sets of atomic numbers belong to that of the alkali metals?

Choose an answer

1,12,30,4,62

37,19,3,55

9,17,35,53

12,20,56,88

The electron releasing effect of methyl group is significant and it makes ring a good

Choose an answer

Electrophilic

Nucleophilic

Nucleophobic

Hydrophobic

Which of the following reacts with chloroform and base to form phenyl isocynaide?

Choose an answer

Nitrobenzene

Phenol

Chlorobenzene

Aniline

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

Choose an answer

Millikan.

J. Perrin.

Hittrof

J.J. Thomson.

Lattice energy of NaCI

Choose an answer

+5000 KJ

-344 KJ

-776 KJ

-411 KJ

A ring contains 3 gram diamond. The number of C-atoms which a ring contains is

Choose an answer

3.01 x 10²³

1.5 x 10²³

6.02 x 10²⁴

3.01 x 10²⁴

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Choose an answer

SO₂

HBR

HCl

H₂S

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