Hydrogen and It's Compounds · Chemistry · WB JEE
MCQ (Single Correct Answer)
1
The number of terminal and bridging hydrogens in $\mathrm{B}_2 \mathrm{H}_6$ are respectively
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2
The metal-pair that can produce nascent hydrogen in alkaline medium is :
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3
Which of the following is radioactive?
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4
How and why does the density of liquid water change on prolonged electrolysis?
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5
Which statement is not correct for ortho and para hydrogen?
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