Advertisements
Advertisements
Question
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Advertisements
Solution
Mg + 2H2O → Mg(OH)2 + H2
APPEARS IN
RELATED QUESTIONS
Fill in the blank
Hydrogen is ..................... than air.
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Fill in the blank
Hydrogen reacts with metal oxides to form ............and....................
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Complete and balance the following reaction.
Al + KOH + H2O→_____________ +___________
‘Hydrogen is obtained by electrolysis of acidified water’.
Answer the following pertaining to the preparation of hydrogen by electrolysis,
Name the electrode –
- through which the current enters the electrolyte.
- at which hydrogen is liberated.
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
