1
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following oxides can act both as an oxidising agent as well as reducing agent?

A
$\mathrm{N}_2 \mathrm{O}$
B
$\mathrm{SO}_2$
C
$\mathrm{SO}_3$
D
$\mathrm{P}_2 \mathrm{O}_5$
2
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

"The mass and energy both are conserved in an isolated system", is the statement of

A
second law of thermodynamics
B
third law of thermodynamics
C
modified first law of thermodynamics
D
first law of thermodynamics
3
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is correct for electrolysis of brine solution?

A
$\mathrm{O}_2$ gas is liberated at cathode
B
Sodium metal is collected at anode
C
$\mathrm{H}_2$ gas is liberated at cathode
D
$\mathrm{Cl}_2$ gas is liberated at cathode
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of pi-bonds present in benzoic acid molecule are

A
 5
B
4
C
3
D
6
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