Question # 1

How many fertilizer plants are now in Pakistan?

Choose an answer

20

14

12

10

Cotton is __________ % cellulose

Choose an answer

90

100

99

30

Which of the following is an example of body centred cube?

Choose an answer

Magnesium

Zinc

Copper

Sodium

Stronger the oxidizing agent, higher is

Choose an answer

Redox potential

Standard reduction potential

Reduction potential

_{Oxidation potemial}

Which ion is most polarising?

Choose an answer

AI³⁺

Ba²⁺

Mg²⁺

Na⁺

The pH of ideal buffer is

Choose an answer

10

7

Less than 7

0

The amount of heat required to convert one mole of solid into liquid is called

Choose an answer

molar heat of fusion

heat of fusion

heat of vaporization

heat of liquefaction

Hydrolysis of alkyl nitriles gives:

Choose an answer

Alkane

Alkyl halide

Alkyl nitride

Minerals acids & Alkalies

The system in which all the three axes are unequal and are at righ angle to each other is called

Choose an answer

cubic

hexagonal

orthorhombic

tetragonal

Which of the following waste material is not recycled for use again

Choose an answer

Glasses

Paper

Plastic toys

Hides of animals

Doubling the pressure in a liquid phase reaction

Choose an answer

Will double the rex

Will increase the rex

Will decrease the rex

Will not alter the concentration of reactant

N₂O₄⇌ 2NO₂

For the above reaction, which of the Following expression of K_c correct :

Choose an answer

Kc = [ N₂O₄]/[ NO₂]²

Kc = [ N₂O₄]/ [NO₂]

Kc = [ N₂O]²/[ N₂O₄]

Kc = [ N₂O₄]/[ N O₂]

The reaction is galvanic cell is

Choose an answer

Spontaneous

Non-spontaneous

Acid-base

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

In a primary alkyl halide, the halogen atom is attached to a carbon which is further attached to

Choose an answer

Only one carbon atom

Two carbon atoms

Three carbon atoms

one or no carbon atom

In public urinals, we observe some nascent smell. This smell is due to

Choose an answer

Hydrolysis of urea of urine by urease of atmosphere into NH₃and CO₂

Formation of sulphonic acid by urea of urine

Reaction of CO₂of atmosphere with urea monoitrate in urine

Hydrogen present in air reacts with nitrogen forming NH₃

Which of the following (1 M) conducts more electricity?

Choose an answer

Sulphuric acid

Boric acid

Nitric acid

Phosphorus acid

When acetamide is hydrolysed by boiling with acid the product obtained is

Choose an answer

Ethyl amine

Ethyl alcohol

Acetic acid

Acetaldehyde

Fossil fuels consist of :

Choose an answer

Coal

Natural gas

Petroleum

All of these

For a given process the heat change at constant pressure q_pis related to the heat change at constant volume (q_v) according to

Choose an answer

q_p= q_v

q_p< q_v

q_p> q_v

q_p= qv/2

At present cement plants in Pakistan are:

Choose an answer

Ten

Twenty Two

Four

Twenty Four

In a solution of CuSO₄how much time will be required to precipitate 2g copper by 0.5 ampere current?

Choose an answer

12157.48 sec

102 sec

510 sec

642 sec

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