1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

One mole of an ideal gas performs $$900 \mathrm{~J}$$ of work on surrounding. If internal energy increases by $$625 \mathrm{~J}$$, find the value of $$\Delta \mathrm{H}$$.

A
$$-275 \mathrm{~J}$$
B
$$200 \mathrm{~J}$$
C
$$-150 \mathrm{~J}$$
D
$$525 \mathrm{~J}$$
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following temperature values in Fahrenheit $$\left({ }^{\circ} \mathrm{F}\right)$$ is equal to $$50^{\circ} \mathrm{C}$$ ?

A
$$90^{\circ} \mathrm{F}$$
B
$$100^{\circ} \mathrm{F}$$
C
$$110^{\circ} \mathrm{F}$$
D
$$122{ }^{\circ} \mathrm{F}$$
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following formulae is of trioxalatocobaltate(III) ion?

A
$$\left[\mathrm{CO}_3\left(\mathrm{C}_2 \mathrm{O}_4\right)\right]^{3-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3+}$$
C
$$\left[\mathrm{Co}_3\left(\mathrm{C}_2 \mathrm{O}_4\right)\right]^{3+}$$
D
$$\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$$
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following pair of nuclides is an example of isotones?

A
$${ }_{17}^{35} \mathrm{Cl},{ }_{17}^{37} \mathrm{Cl}$$
B
$${ }_{18}^{40} \mathrm{Ar},{ }_{19}^{40} \mathrm{~K}$$
C
$${ }_6^{13} \mathrm{C},{ }_5^{11} \mathrm{~B}$$
D
$${ }_6^{12} \mathrm{C},{ }_5^{11} \mathrm{~B}$$
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