Question

4. What is a balanced chemical equation? Why should chemical equations be balanced?​

Answer 1

Answer:

Long answer 4- If a transparent ruler is held in sunlight, we see various colors because sunlight is white light and it has seven colors .When rays of light after passing through ruler splits into seven colours .This band of seven colours is known as spectrum. The splitting of white light into seven colours is known as dispersion of light.

Explanation:

Long answer 4- If a transparent ruler is held in sunlight, we see various colors because sunlight is white light and it has seven colors .When rays of light after passing through ruler splits into seven colours .This band of seven colours is known as spectrum. The splitting of white light into seven colours is known as dispersion of light.

Answer 2

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☞ A balanced chemical is equation has equal numbers of atoms for each element involved in the reaction are represented on the reactant and product sides.

☞ It is important to balance a chemical equation to satisfy law of conservation of mass i.e- Total mass of elements present on the side of reactants is equal to total mass of elements present on the side of products.