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Fill in the blanks: (a) The substances which undergo chemical change are called................(b) The substances formed as a result of a chemical reaction are called..................(c) During a chemical reaction transfer of................ takes place. (d) The basic conditions necessary for a chemical reaction is..................(e) In some chemical reactions an insoluble................ is formed when two solutions are mixed. |
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Answer» (a) The substances which undergo chemical change are called reactants. (b) The substances formed as a result of a chemical reaction are called products. (c) During a chemical reaction transfer of energy takes place. (d) The basic conditions necessary for a chemical reaction is close contact. (e) In some chemical reactions, an insoluble precipitate is formed when two solutions are mixed. |
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