Advertisements
Advertisements
प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Water
Advertisements
उत्तर
Reactant added to obtain:
Water: Hydrogen and oxygen.
APPEARS IN
संबंधित प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
FILL IN THE BLANK
In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
How do different metals displace hydrogen from water? Explain with the help of equations.
Which metal is preferred for the preparation of hydrogen?
from water?
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Account for the following fact:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid.
