Question # 1

The spectrum of helium is expected to be similar to that of

Choose an answer

H

Li⁺

Na

He⁺

Which of the following belongs to the halogen family?

Choose an answer

Francium

Polonium

Radium

Astatine

In which molecule carbon atom is sp² hybridized

Choose an answer

CH₄

C₂H₄

C₂H₂

None of the above

Heating a mixture of sodium benzoate and soda lime gives

Choose an answer

Methane

Benzene

Sodium benzene

Calcium benzoate

The heats evolved in combustion of rhombic and monoclinic sulphur are - 70960 and -71030 cal mol^-1 respectively what will be heat of conversion of rhombic sulphur ti monoclinic?

Choose an answer

70960 calories

71030 calories

-70 calories

+70 calories

Which of the following has least mass?

Choose an answer

2 gram atom of nitrogen

3 x 10²³ atoms of C

1 mole of S

7.0 g of Ag.

Water (H2O) is liquid while hydrogen sulphide (H₂S) is a gas because

Choose an answer

Water has higher molecular weight

Hydrogen sulphide is a weak acid

Sulphur has high electronegativity than oxygen

Water molecules associate through hydrogen bonding.

The essential component of organic compound is

Choose an answer

O

C

P

N

The formula of nitre is

Choose an answer

KNO₃

NaNO₃

NaCI

Na₂CO₃

More Classes

Other Links

NAT I Medical 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