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प्रश्न
Give one example electrochemical reaction.
Give an example electrochemical reaction.
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उत्तर
Acidulated water breaks into hydrogen and oxygen.
\[\ce{2H2O ->[Electricity] 2H2 + O2}\]
संबंधित प्रश्न
FILL IN THE BLANK
Negatively charged ions are called ..........
Write true or false :
No new substance is formed during a chemical reaction.
Give reason for the following:
Silver nitrate solution is kept in coloured bottles.
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
State the original colour of the following substance and colour of residue obtained after heating.
Ammonium dichromate
Select the correct answer for the following options:
The gas which reacts with oxygen to give a neutral liquid.
Name the following:
The products obtained during ‘photosynthesis’ – which is a chemical change.
What is a chemical reaction?
Complete the table given below.
| Addition of dil. H2SO4 to FeS | Odour of gas evolved |
______ is not a chemical change.
