Question # 1

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

The boiling point of water at Murree Hills.

Choose an answer

90^oC

98^oC

100^oC

120^oC

Which one of the following statements is incorrect.

Choose an answer

Enzymes are protein in nature

Enzymes are catalyst

Enzymes can catalyze any reaction

Urease is an enzyme

Which particle have greater wave nature.

Choose an answer

Electron

Proton

Neutron

a particles

Ionic solids are characterized by.

Choose an answer

Low melting points

High vapour pressures

Good conductivity in solid state

Solubility in polar solvents

Which of the given has hydrogen bonding.

Choose an answer

CH4

CCl4

NH3

NaCl

In BeCl2, the covalent bond is formed due to overlap of

Choose an answer

sp -s

sp -p

sp2 -p

sp3 -p

How many atoms are present in half mol of oxygen gas. Gas exist in diatomic state.

Choose an answer

3.01 x 10²³

6.02 x 10²³

2 x 10²³

1.003 x 10²³

Quantum number value for 2p sub shell are

Choose an answer

n = 2, I = 1

n = 1, l =1

n = 1, l = 0

n = 2, l = 0

At constant volume of a system remains constant and the heat is absorbed by the system, them amount of heat absorbed is called

Choose an answer

Enthaply change of the system

Internal energy change of the system

Total enthalphy of the system

Total internal energy of the system

If an endothermic reaction is allowed to take place very rapidly i the air, the temperature fo the surrounding air.

Choose an answer

Remains constant

Increase

Decrease

Remain unchanged

The net heat change in a chemical reaction is same whether it is brought about in two or more different ways in one or several steps. It is knnown as

Choose an answer

Henry's law

Hess's law

Joule's principle

Law of combustion

The rate of reaction

Choose an answer

Increase as the reaction proceeds

Decreases as the reaction proceeds

Remains the same as the reactions proceeds

May decrease or increase as the reaction proceeds

In the ground state of an atom, the electrons is present.

Choose an answer

In the nucleus

In the second shell

Nearest to the nucleus

Farthest form the nucleus

Isomorphic crystals show

Choose an answer

Same chemical properties

Same physical properties

Same crystalline form

Same melting point

In mass spectrometry, ions are produced by

Choose an answer

Heat at high temperature

Passing gas through high voltage plates

Throwing fast moving electrons on gas molecules

All of them

When a reaction proceeds in a sequence of steps, the overall rate is determined by

Choose an answer

Fastest step

Slowest step

Order of different steps

Molecularity of all steps

the value of delta H and delta E for liquids and solids is almost same because.

Choose an answer

No change in temperature

Heat absorbed

No change in volume

Heat evolved

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