Question # 1

A combination of glucose and fructose is called

Choose an answer

sucrose

table sugar

a & b

Lactose

General formula of carbohydrate is

Choose an answer

C_x(H₂O)_y+x

C_x(H₂O)_y

C_x(H₂O)_y-1

C_x(H₂O)_y+1

Which one of the following is not a component of environment:

Choose an answer

biosphere

stratosphere

hydrosphere

lithosphere

In Pakistan consumption per person is:

Choose an answer

8kg

5kg

10kg

6kg

SO₂and NO₂cause pollution due to increase in

Choose an answer

Buffer action

Basicity

Acidity

Neutrality

The attractive forces between molecules of a gas and their sizes can be ignored at

Choose an answer

high pressure

low temperature

low temperature and high pressure

low pressure and high temperature

The layer of earth around the earth is called:

Choose an answer

Atmosphere

Hydrosphere

Lithosphere

Biosphere

How magnesium reacts with water?

Choose an answer

In frozen ice water

With cold water

In with steam

In hot state

Nihydrin reacts with amino acid to give product of

Choose an answer

Bluish color

Violet color

Bluish violet color

No color

The order of reactivitv of alksI halides towards nucleophile is

Choose an answer

RI>RBr RF>RCI

RF>RCI>RBr>RI

RI>RBr> RCI>RE

RF>RBr>RCI>RI

The spreading of ink on blotting paper is due to

Choose an answer

capillary action

hydrogen bonding

intermolecular forces of the ink

intermolecular forces of the ink and paper

Which among the following species has the highest ionization energy?

Choose an answer

Ne

F

Li

B

The simplest separating unit of a polymer is called:

Choose an answer

Monomer

Dimer

Trimmer

Macromer

What is formed when propanone is refluxed with an anhydrous solution of NaBH₄

Choose an answer

Propanal

Propan-1-ol

Propan-2-ol

Propane

Chief air pollutant which is likely to deplete ozone layer

Choose an answer

Sulphure dioxide

Carbon dioxide

Nitrogen oxides and chloro fluorocarbons

The molarity of the solution containing x grams (NH₄)₂SO₄in 500 cm³of the solution is 0.6 what is x

Choose an answer

39.6

45.1

40.5

42.7

When the degree of freedom increase the entropy ______

Choose an answer

Decreases

Increases

Remains same

All

Choose an answer

Pent -1-ene-3-yne

2-pentyne-4-ene

1-pentene-3-yne

Pent-2-yen-4-ene

Choose an answer

Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

For what value ofK_{c almost forward reaction is complete :}

Choose an answer

K_{c =}10³⁰

K_{c =}10^-30

K_{c =}0

K_{c =}1

96500 C electricity is passed through CuSO₄. The amount of copper precipitated is

Choose an answer

0.25 mole

0.5 mole

1.0 mole

2.00 mole

At present oil refineries in Pakistan are:

Choose an answer

One

Two

Three

Four

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