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Question
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Solution
Calcium is expensive.
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Why are the following metal not used in the lab. preparation of hydrogen?
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Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Correct the following statement:
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Starting from hydrogen gas how would you obtain a basic gas.
State the electronic configuration of hydrogen [at. no. 1].e
Give a reason why hydrogen can be placed in group 1 [1A] and group 17 [VIIA] of the periodic table.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{MgO + H2}\]
