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1
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Pure dihydrogen $$(99.5 \%)$$ is obtained by the electrolysis of

A
$$\mathrm{NaOH}_{(\mathrm{aq})}$$ using $$\mathrm{Zn}$$ electrode
B
pure water
C
dil. $$\mathrm{H}_2 \mathrm{SO}_4$$ using cadmium electrodes
D
warm barium hydroxide using $$\mathrm{Ni}$$ electrodes
2
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify correct composition of water gas from following.

A
$$\mathrm{CO}_{(\mathrm{g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$$
B
$$\mathrm{NO}_{(\mathrm{g})}+2 \mathrm{H}_{2(\mathrm{~g})}$$
C
$$\mathrm{CO}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})}$$
D
$$\mathrm{CO}_{(\mathrm{g})}+\mathrm{H}_{2(\mathrm{~g})}$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following processes does NOT involve use of dihydrogen?

A
Gasification of coal
B
Formation of vanaspati ghee
C
Preparation of $$\mathrm{HCl}$$
D
Preparation of metal hydride
4
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many hydrogen atoms are surrounding each oxygen atom in structure of ice?

A
2
B
3
C
4
D
1
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