NEETChemistryHydrogen
What is the common feature of the reactions mentioned in the paragraph for dihydrogen preparation?
Options
- AAll reactions involve zinc as a reactant.
- BAll reactions involve oxygen gas.
- CAll reactions involve concentrated hydrochloric acid.
- DAll reactions involve sodium hydroxide.
Correct answer
A. All reactions involve zinc as a reactant.
Step-by-step solution
The common feature of the reactions mentioned in the paragraph for dihydrogen preparation is that all reactions involve zinc as a reactant.