PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
1. What does one mean by endothermic reactions? Give example.
 
Chemical reactions that or require energy to proceed are called endothermic reactions.
Example: - Heat.
 
2. What is the difference between displacement and double displacement reactions?
Write equations for these reactions.
In displacement reactions, a more reactive metal displaces a less reactive metal from its solution.
For example,
This is a displacement reaction where iron displaces copper from its solution.

In double displacement reactions, two reactants in solution exchange their ions.
For example,
This is a double displacement reaction where silver nitrate and sodium chloride exchange \(Cl^–\) and \(NO_3^–\) ions between them.