Question # 1

Evaporation of water is

Choose an answer

An exothermic change

An endothermic change

A process where no heat changes occur

A process accompanied by chemical

Sulphure dioxide affects

Choose an answer

Cell wall

Plasmodesmata

All membrane systems

Nucleus

Which is not a colligative property?

Choose an answer

Osmotic pressure

Lowering of vapour pressure

Depression of freezing point

Elevation of boiling point

Hess's law deals with

Choose an answer

Changes in heat or reaction

Rate of reaction

Equilibrium constant

Influence of pressure on volume of a gas

The ratio of close packed atoms to tetrahedral holes in cubic close packing is

Choose an answer

1 : 1

1 : 2

1 : 3

2 : 1

The osmotic pressure of solution increases if

Choose an answer

Temperature is decreased

Solution constant is increased

Number of solute molecules are increased

Volume is increased

During the folding of filter paper the apex form angle of about

Choose an answer

80^o

60^o

180^o

90^o

Formic acid is obtained when

Choose an answer

Calcium acetate is heated with conc.H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Acetaldehyde is oxidized with K₂CrO₇and H₂SO₄

The mass of the neutron is of the order of

Choose an answer

10^-23 kg

10^-24 kg

10^-26 kg

10^-27 kg

Which of the following is directly related to Qualitative analysis?

Choose an answer

Identification

Separation

Measurement

Calculation

An electrolyte

Choose an answer

Forms complex ions in solution

Gives ions only when electricity is passed

Possesses ions even in solid state

Gives ions only when dissolved in water

More Classes

Other Links

NAT I Engineering Chemistry 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