1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

When $$\mathrm{x} \mathrm{kJ}$$ heat is provided to a system, work equivalent to $$\mathrm{y} \mathrm{J}$$ is done on it. What is internal energy change during this operation?

A
$$(1000 x+y) J$$
B
$$1000(\mathrm{x}+\mathrm{y}) \mathrm{J}$$
C
$$(x+1000 y) J$$
D
$$x+y$$ J
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following is a soft element?

A
Mn
B
Zn
C
Co
D
Ni
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among following is an example of cyclic amide?

A
PAN
B
Terylene
C
$$ \varepsilon \text {-caprolactam } $$
D
Teflon
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many molecules of ammonia gas are present in 67.2 dm$$^3$$, measured at S.T.P.?

A
$$2.0\times10^{24}$$
B
$$1.0\times10^{23}$$
C
$$1.8\times10^{22}$$
D
$$5.0\times10^{24}$$
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