1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The vapour pressure of pure water is 23 mmHg . The vapour pressure of an aqueous solution, which contains 10 mass per cent of solute ' $A$ ' having molecular weight 50 is

A

0.003 atm

B

34.5 atm

C

22 atm

D

0.028 atm

2
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

An aqueous solution of $98 \%(w / w) \mathrm{H}_2 \mathrm{SO}_4$ has density of $1.02 \mathrm{~g} / \mathrm{cc}$. The molality of the solution is

A

1.1

B

0.7

C

2.1

D

1.5

3
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The freezing point of equimolal aqueous solution will be highest for

A

$\mathrm{BaCl}_2$

B

$\mathrm{Ca}\left(\mathrm{NO}_3\right)_2$

C

urea

D

$\mathrm{Na}_2 \mathrm{SO}_4$

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