Question # 1

Which of the following statement is correct if the intermolecular forces in liquids A,B and C are in the order A < B < C?

Choose an answer

B evaporates more readily than A

B evaporates less readily than C

A and B evaporates at the same rate

A evaporates more readily than C

_{What is name of hydrated variety of quartz?}

Choose an answer

Rose quartz

Smokey quartz

Silica

Opal

SO₂makes ___________ acid rains

Choose an answer

carbonic acid

Sulfuric

Nitric acid

All of these

Select the name of ready plant from which word ''Paper'' is derived:

Choose an answer

sun flower

papyrus

water hyacinth

rose

Insoluble ferric oxide is produced in the pH range:

Choose an answer

1 to 8

6 to 9

3 to 13

8 to 13

Allotropic forms of carbon are:

Choose an answer

five

three

four

two

When HCI gas is passed through saturated solution of rock salt, the solubility of NaCl

Choose an answer

Increases

May increase or decrease

Decreases

None of these

Which one of the following is NOT a nucleophile

Choose an answer

NH2+

BF3

H2O

CH3-

Which is trigonal cyrstal

Choose an answer

BaSO₄. 4H₂O

FeSO₄

NaNO₃

None

Surface and ground water sources are contaminated by various human activities. Which of the following is not a human activity that causes contamination in fresh water

Choose an answer

Rain

Live stock waste

Oil leaks and spills

Disposal of industrial effluents

Which of the following is not a heavy industry?

Choose an answer

Iron

Fertilize

Paper

None

The substances which are added to the soil to provide one or more nutrient elements essential for plant growth are called

Choose an answer

Minerals

Hormones

Fertilizers

None of these

Which is a protein?

Choose an answer

Nylon

Rayon

Natural silk

Terylene

The potassium fertilizers are preferred for horticulture, tobacco and potatones, which of the following is popular potassium fertilizer

Choose an answer

Potassium oxide

Potassium chloride

Potassium sulphate

Potassium nitrate

The simplest separating unit of a polymer is called:

Choose an answer

Monomer

Dimer

Trimmer

Macromer

Which of the following contains single bonds

Choose an answer

Benzene

Alkyne

Alkene

Alkane

A combination of glucose and fructose is called:

Choose an answer

Sucrose

Table sugar

a and b

Lactose

Which one of the following statements is true about discovery of neutrons?

Choose an answer

These particles were formed by the bombardment of Alpha-particles on Beryllium.

These particles are formed by the spiting of alpha-particles.

These particles were discovered by natural radioactivity.

None of above.

Primary and secondary alcohols on action of red hot copper give

Choose an answer

Aldehydes and ketones respectilvely

ketones and aldehydes respectively

Only aldehydes

Only ketones

A compound containing carboxyl group in them are called:

Choose an answer

Ketone

Ether

Carboxylic acids

Polycarboxylic acid

The unit of specific conductivity is

Choose an answer

Ohm cm^-1

Ohm cm^-2

Ohm^-1cm

Ohm^-1cm^-1

Spraying of DDT produces pollution of

Choose an answer

Air

Air and water

Air and soil

Air, water and soil

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