Advertisements
Advertisements
प्रश्न
Give one example electrochemical reaction.
Give an example electrochemical reaction.
Advertisements
उत्तर
Acidulated water breaks into hydrogen and oxygen.
\[\ce{2H2O ->[Electricity] 2H2 + O2}\]
संबंधित प्रश्न
Fill in the blank.
The formation of gas bubbles in a liquid during a reaction is called ......................
Write true or false .
A black residue is formed when sugar is heated .
A chemical equation is a statement that describes a chemical change in terms of
Explain the following reaction with one suitable example of Decomposition reaction
Give an example of the following chemical changes.
A reaction involving
(i) Change of state
(ii) formation of precipitate
Give a chemical test to distinguish between the following gases.
H2 and O2
Give balanced equation for the following conversion affected by heat alone on the substance:
Zinc carbonate to zinc oxide
The changes in which new substance with new chemical properties are formed are ______.
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
How can we prevent rusting?
