Chemical reactions can be classified into different types depending upon the type of chemical change occurring during the reaction. Let us study different type of reactions one - by –one.
1. Combination Reactions.
2. Decomposition Reaction.
Which of the following are correct : (a) The processes in which a substance or substances undergo changes to produce new substances with new properties are known as chemical reactions. (b) The breaking up of calcium carbonate into calcium oxide and carbon dioxide is a chemical reaction. (c) When calcium carbonate is heated, calcium oxide (lime) and carbon dioxide are formed. | |||
Right Option : D | |||
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Change of milk to curd is a : | |||
Right Option : B | |||
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In a chemical reaction _______________ are produced as a result of a chemical change | |||
Right Option : B | |||
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