1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which of the following is an intensive property?

A
Temperature
B
Surface tension
C
Viscosity
D
All of the above
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Thermodynamic standard conditions of temperature and pressure are

A
0$$^\circ$$C and 1 atm
B
273 K and 101.3 kPa
C
298 K and 1 atm
D
0$$^\circ$$C and 101.3 kPa
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

In which of the following process, a maximum increase in entropy is observed?

A
dissolution of salt in water
B
condensation of water
C
sublimation of naphthalene
D
melting of ice
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Consider the reaction,

C(s) + O$$_2$$(g) $$\rightarrow$$ CO$$_2$$(g) + 393.5 kJ

The signs of $$\Delta H,\Delta S$$ and $$\Delta G$$ respectively are

A
$$-$$, +, $$-$$
B
$$-$$, $$-$$, $$-$$
C
$$-$$, +, +
D
+, $$-$$, $$-$$
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