iCON Education - Some Basic Concepts of Chemistry BITSAT Test

Question 1: Palette 1/4

BITSAT 2023 MCQ

If $20 \mathrm{~g}$ of $\mathrm{CaCO}_3$ is treated with $100 \mathrm{~mL}$ of $20 \%$ $\mathrm{HCl}$ solution, the amount of $\mathrm{CO}_2$ produced is

A

22.4 L

B

8.80 g

C

4.40 g

D

2.24 L

Question 2: Palette 2/4

BITSAT 2022 MCQ

A certain metal sulphide, MS₂, is used extensively as a high temperature lubricant. If MS₂ is 40.06% by mass sulphur, metal M has atomic mass.

A

160 u

B

64 u

C

40 u

D

96 u

Question 3: Palette 3/4

BITSAT 2021 MCQ

In Victor Meyer's method 0.2 g of an organic substance displaced 56 mL of air at STP the molecular weight of the compound

A

56

B

112

C

80

D

28

Question 4: Palette 4/4

BITSAT 2021 MCQ

The density (in g mL^$-$1] of a 3.60 M sulphuric acid solution that is 29% H₂SO₄ (molar mass = 98 g mol^$-$1) by mass will be

A

1.64

B

1.88

C

1.22

D

1.45