Question

Class :IX
Activity Card
UNIT-3
REDOX REACTIONS AND RATE OF CHEMICAL REACTIONS
Activity - 1
Law of conservation of mass - In a chemical reaction mass is neither created nor destroyed
Balancing of equation: In chemical equation, equalising the number of atoms of each element
in molecules in the reactant side and that in the product side is called balancing of equation.
Analyse the given chemical equations and answer the following questions
S+0,02
H, +1, HI
A1+0, A1,02
CaCO + CaO+CO,
(iii)
(iv)
Tabulate the number of reactant atoms and that of product atoms in the
chemical equations given above
No
Reactant atoms
Product atoms
(i)
S-1, 0-2
S-1, 0-2
9 €
(iv)
Balance the equations which are unbalanced
General Education Department
170
9 1701280
Samagra Shiksha Kerala
S.C.E.R.T​

Answer 1

Answer:

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