1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

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
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

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
3
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

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
4
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

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
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