1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Which property of $$\mathrm{CO}_2$$ makes it biologically and geo-chemically important?

A
Its colourless and odourless nature
B
Its low solubility in water
C
Its high compressibility
D
Its acidic nature
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The volume of $$2.8 \mathrm{~g}$$ of $$\mathrm{CO}$$ at $$27^{\circ} \mathrm{C}$$ and 0.821 atm pressure is ($$R=0.08210 \text { L. atm K} \mathrm{~mol}^{-1}$$)

A
1.5 litres
B
3 litres
C
30 litres
D
0.3 litres
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

When the absolute temperature of ideal gas is doubled and pressure is halved, the volume of gas

A
will be half of original volume
B
will be 4 times the original volume
C
will be 2 times the original volume
D
will be 1/4th times the original volume
4
KCET 2019
MCQ (Single Correct Answer)
+1
-0

Which of the following equations does not represent Charles's law for a given mass of gas at constant pressure?

A
$$\frac{V}{T}=K$$
B
$$\log V=\log K+\log T$$
C
$$\log K=\log V+\log T$$
D
$$\frac{d(\ln V)}{d T}=\frac{1}{T}$$
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