1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct variation of pressure and volume of a real gas $$(A)$$ and an ideal gas ($$B$$) at constant temperature. $$(y=p ; x=V)$$

A
AP EAPCET 2022 - 5th July Morning Shift Chemistry - States of Matter Question 19 English Option 1
B
AP EAPCET 2022 - 5th July Morning Shift Chemistry - States of Matter Question 19 English Option 2
C
AP EAPCET 2022 - 5th July Morning Shift Chemistry - States of Matter Question 19 English Option 3
D
AP EAPCET 2022 - 5th July Morning Shift Chemistry - States of Matter Question 19 English Option 4
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The gaseous mixture used for welding of metals is

A
$$\mathrm{C}_2 \mathrm{H}_4, \mathrm{O}_2$$
B
$$\mathrm{C}_4 \mathrm{H}_{10}, \mathrm{O}_2$$
C
$$\mathrm{C}_2 \mathrm{H}_2, \mathrm{~N}_2$$
D
$$\mathrm{C}_2 \mathrm{H}_2, \mathrm{O}_2$$
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Among the gases a, b, c , d, e and f, the gases that show only positive deviation from ideal behaviour at all pressures in the graph are

AP EAPCET 2022 - 4th July Morning Shift Chemistry - States of Matter Question 21 English

A
b and c only
B
b, c, and a only
C
d and e only
D
d, e and f only
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is/are incorrect regarding real gases?

(i) Their compressibility factor is never equal to unity (Z $$\ne$$ 1).

(ii) The deviations from ideal behaviour are less at low pressures and high temperatures.

(iii) Intermolecular forces among gas molecules are equal to zero.

(iv) They obey van der Waals’ equation, $$pV = nRT$$

A
(i), (ii) and (iv)
B
(ii) and (iv)
C
Only (ii)
D
(iii) and (iv)
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