Question # 1

One mole of Carbon -12 has mass

Choose an answer

0.012 kg

1 kg

0.022 kg

12 kg

The boiling point of water at Murree Hills.

Choose an answer

90^oC

98^oC

100^oC

120^oC

The change in heat energy of a chemical reaction at constant temperature and pressure is called.

Choose an answer

Enthalpy change

Bond energy

Heat of sublimation

Internal energy change

The ration of number of molecules of 2 g H2 g to number of molecules of 64 g gaseous oxygen is.

Choose an answer

1:1

1:2

1:32

1:4

The temperature of natural plasma is about.

Choose an answer

200000 ^oC

10000^oC

5000^oC

1000^oC

Down the VII -A group, polarizability generally.

Choose an answer

Increases

Decreases

Remain constant

Negligible

Which one of the following orbital will be filled first.

Choose an answer

4f

5d

3d

4s

The unit of Kc for the reaction N2 +O2 = 2NO will be

Choose an answer

mol dm-3

mol-1 dm+3

mol-2 dm+6

No units

Chromatography involves the distribution of a solute between.

Choose an answer

Two stationary phases

Two mobile phases

A stationary phase and a mobile phase

Two stationary and two mobile phase.

What is the mass of aluminium is 204 g of the aluminum oxide Al2O3.

Choose an answer

26 g

27 g

54 g

108 g

Colligative properties are used to determine the

Choose an answer

Freezing points

Boiling point

Atomic mass of an element

Molar mass of solute

Which of the following molecules has a co-ordinate covalent bond

Choose an answer

NH₄CI

NaCI

HCI

AICI₃

In azeotropic mixture showing positive deviation from Raoult's law, the volume of the mixture is.

Choose an answer

slightly more than the total volume of the components

Slightly less than the total volume of the component

Equal to the total volume of the components

None of these

Nickel has isotopes

Choose an answer

3

5

6

11

The solubility product of AgCI is 2.0 x 10^-10mol²dm^-6The maximum concentration of Ag⁺ions in the solution is

Choose an answer

2.0 x 10^-10mol dm^-3

1.41 x 10^-5mol dm^-3

1.0 x 10^-10mol dm^-3

4.0 x 10^-20mol dm^-3

K_aand K_bof a conjugate acid and are related with k_was

Choose an answer

K_a+ K_b=K_w

K_a-K_b=K_w

K_a.K_b= K_w

K_a/ K_b= K_w

The number of Na, ions which surround each CI^1-ion the NaCI crystal lattice is

Choose an answer

8

12

6

4

The born Haber cycle is the best application of law.

Choose an answer

Boyle's

Dalton's

Hess's

Graham's

More Classes

Other Links

Chemistry Fsc Part 1 Online Test 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