(a)
Interpretation: To write the chemical formula for each reactants and products given in a
Concept Introduction:
Mass can neither be created nor be destroyed.
A chemical reaction should be well balance i.e. the number of atoms of each element in reactant side must be equal to number of atoms in product side.
According to the question:
Purple sphere represents Iodine-atom (I).
White sphere represents Hydrogen-atom (H)
(b)
Interpretation: To balance the given chemical reaction:
Concept Introduction:
Mass can neither be created nor be destroyed.
A chemical reaction should be well balance i.e. the number of atoms of each element in reactant side must be equal to number of atoms in product side.
Red sphere = Oxygen atom
Blue sphere = Nitrogen atom
(c)
Interpretation: To indicate the type of given chemical reaction:
Concept Introduction:
Types of chemical reaction:
- Combination reaction: Here two or more reactants combines to form a single product
- Decomposition product: In this type of reaction, one reactant is breakdown into two or more products
- Displacement reaction: This is a type of reaction where more reactive element displaces the less reactive element.
- Double-displacement reaction: In this type of reaction, two compounds react in such a way that cations and anions of two reactants interchange their place.
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