Asked by vshrikanth | 4th Sep, 2010, 03:28: PM
Endothermic reaction:Chemicla reactions in which heat is taken up from the environment for the reaction to occur is called endothermic reaction.
ex.(1) thermal decomposition of limestone.
CaCO3 (s) ---------> CaO (s) + CO2 (g)
Rancidity: rancidity is the reaction in which fats and oils present in food are decomposed into fatty acids, due to taste of food becomes bad.
Corrosion: it is a process of slowly eating up of metal surface due to its conversion into oxides, carbonates etc. by action of atmospheric gases ang moisture.
ex. rust- Fe2O3.5H2O
Black layer of silver sulphide (Ag2S)
Answered by | 4th Sep, 2010, 04:16: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number