Question # 1

The deviation of a gas from ideal behaviour is maximum at

Choose an answer

-10°C and 5.0 atm

100°C and 2.0 atm

-10°C and 2.0 atm

0°C and 2.0 atm

Kerosene is liquid at room temperature.This is due to:

Choose an answer

organic nature

H-bonding

molecular size

dipole-dipole forces

CFCs are mainly used in industries due to

Choose an answer

Low cost

Gaseous nature

High reactivity

Un stability

Formamide is formed by the reaction of which acid with ammonia

Choose an answer

Oualic acid

Formic acid

Ethanoic acid

Propanoic acid

Which is unnecessary for purification of water for drinking purpose?

Choose an answer

Coagulation

Treatment with iodine

Aeration

Chlorination

Hardness of diamond is attributed to the

Choose an answer

strength of the ionic bonds in the structure

three-dimensional network of covalent bonds

absence of valence electrons in carbon atoms

Crystals can be classified into

Choose an answer

7 crystal systems

4 crystal systems

3 crystal systems

14 crystal systems

Which one is not related with evaporation

Choose an answer

Continuous

Cooling

Exothermic

Spontaneous

One of the following is a ionic solid. Which is that?

Choose an answer

Fe

KBr

Diamond

Cr

Water soluble and cyrstalline carbohydrrates are:

Choose an answer

monosacharides

obiligoseacharides

polysacharides

a and b

Which one of following property is not true about alkali metals?

Choose an answer

Strongest bases due to their hydrides

Low ionization energy

Oxidation number more than +1

Form acidic oxides

The percentage of which element in the organic compound is determined by the difference method

Choose an answer

Carbon

Hydrogen

Nitrogen

Oxygen

A molecule in which sp²hybrid orbitals are used by the central atom in forming covalent bonds in

Choose an answer

He₂

SO₂

PCl₅

N₂

An azeotropic mixture of two liquids boils at a lower temperature than either of them when :

Choose an answer

It is saturated.

It shows positive deviation from Raoult's law.

It show negative deviation from Raoult's law.

It is metastable.

Potable water is considered to be

Choose an answer

Safe for human consumption

Not safe for human consumption

The surface water

The ground water

The presence of a double bond in a compound in the sign of:

Choose an answer

Saturation

Unsaturation

Subsitution

None

Property of transition element is :

Choose an answer

Low m.p and b.p

Parramagnetism

Oxidation state

Low binding energies

The number of elements in the 4th periods of periodic table is

Choose an answer

8

10

18

32

Which of the following is not an electrophitic substitution reaction of benzene

Choose an answer

Nitration

Sulphonation

Fridel-Craft alkylation

Free radical chlorination of benzene

The correct order of electron affinity among the following is

Choose an answer

F > Cl > Br

Br > Cl > F

Cl > F > Br

F > Br > Cl

Simple sugars are :

Choose an answer

Monosacchrides

Disaccharides

Oligo saccharides

Trisaccharides

Crystalline form of sulphur stable at room temperature is

Choose an answer

Rhombic sulphur

Monoclinic sulphur

Plastic sulphur

Prismatic sulphur

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