Chapter -3 Atom and Molecules Topics in the Chapter Introduction Laws of Chemical Combination → Law of Conservation of Mass...
and
1. Chemical Reactions and Equations FILL IN THE BLANK When calcium carbonate is heated, it decomposes to from .......... and………..gas....
1. Chemical Reaction and Equations ASSERTION (A) AND REASON (R) Types questions DIRECTION: Each of these questions contains an Assertion...
To prepare a mixture and a compound using iron filings and sulphur powder and distinguish between appearance, behaviour towards magnet,...