1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

What mass of Silver chloride, in grams, gets precipitated when $$150 \mathrm{~ml}$$ of $$32 \%$$ solution of Silver nitrate is reacted with $$150 \mathrm{ml}$$ of $$11 \%$$ Sodium chloride solution? Atomic mass in $$\mathrm{g} / \mathrm{mol}: \mathrm{Ag}=108, \mathrm{Na}=23, \mathrm{Cl}=35.5, \mathrm{~N}=14, \mathrm{O}=16$$

A
40.47
B
32.45
C
48.0
D
16.52
2
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Sulphuric acid used in Lead Storage battery has a concentration of $$4.5 \mathrm{~M}$$ and a density of $$1.28 \mathrm{~g} / \mathrm{~ml}$$. The molality of the acid is __________.

A
4.012
B
2.568
C
5.364
D
3.516
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A given mass of a hydrocarbon on complete combustion produced $$176 \mathrm{~g}$$ of $$\mathrm{CO}_2$$ and $$90 \mathrm{~g}$$ of $$\mathrm{H}_2 \mathrm{O}$$. What is the Molecular formula of the compound?

A
$$\mathrm{C}_3 \mathrm{H}_8$$
B
$$\mathrm{C}_6 \mathrm{H}_{12}$$
C
$$\mathrm{C}_4 \mathrm{H}_{10}$$
D
$$\mathrm{C}_5 \mathrm{H}_{12}$$
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$15 \mathrm{~g}$$ of $$\mathrm{CaCO}_3$$ completely reacts with

A
$$6.95 \mathrm{~g}$$ of $$\mathrm{HCl}$$
B
10.95 g of $$\mathrm{HCl}$$
C
$$11.95 \mathrm{~g}$$ of $$\mathrm{HCl}$$
D
$$1.15 \mathrm{~g}$$ of $$\mathrm{HCl}$$
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