EVERYDAY SCIENCE

Detailed explanation-1: -The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products. A product is a substance that is present at the end of a chemical reaction.

Detailed explanation-2: -Which types of reactions are essentially opposites of one another? Synthesis and decomposition.

Detailed explanation-3: -A synthesis reaction occurs when two or more reactants combine to form a single product. This type of reaction is represented by the general equation: A + B → AB. · An example of a synthesis reaction is the combination of sodium (Na) and chlorine (Cl) to produce sodium chloride (NaCl).

Detailed explanation-4: -Mixture-a substance that does not have a fixed composition, classified according to how well the parts are distributed throughout the substance. Heterogenous mixture-a mixture that contains substances that are noticeably different from one another.