Question

an egg shell is composed of CaCO3 but how a 10th class CBSE student is supposed to know this? where is this exactly given?​

Answer 1

Answer:

actually we learnt this in 5th or 6th standard I think

Answer 2

Answer:

hey buddy. ...open the ncert page no. 34..( chapter 2, Acids bases and salts ) it is given over there clearly..

eggshells are made of calcium carbonate.

hope it helps..

:)