1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Iron crystalises in FCC with an edge length of 400 pm . If it contains $0.1 \%$ Schottky defects, calculate its approximate density

[Atomic weight of $\mathrm{Fe}=56 \mathrm{~g} / \mathrm{mol}$ ]

A

$5.8 \mathrm{~g} / \mathrm{cm}^3$

B

$1.5 \mathrm{~g} / \mathrm{cm}^3$

C

$2.9 \mathrm{~g} / \mathrm{cm}^3$

D

$8.5 \mathrm{~g} / \mathrm{cm}^3$

2
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following are correct for an ideal solution?

(A) $\Delta V_{\text {mix }}=0$

(B) $V_{\text {solvent }}+V_{\text {solute }}=V_{\text {solution }}$

(C) $\Delta H_{\text {mix }}=0$

(D) $\mathrm{H}_2 \mathrm{O}+\mathrm{CO}_2 \longrightarrow \mathrm{H}_2 \mathrm{CO}_3$ is an example of ideal solution

A

A, B only

B

B, C only

C

A, B, C only

D

$A, B, C, D$

3
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

At $0^{\circ} \mathrm{C}$ urea solution has an osmotic pressure of 400 mm . On dilution by $x$ times, its osmotic pressure decreased to 100 mm at $20^{\circ} \mathrm{C}$. The dilution factor $x$ is approximately

A

4.3

B

2

C

5

D

6.8

4
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0
The electric charge for electrode deposition of one equivalent of a substance is equal to
A

$1 \mathrm{~A} / \mathrm{s}$

B

193000 coulombs

C

$$ \frac{96500}{\text { (Atomic weight of the substance) }} $$

D

Charge on 1 mole of electrons

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