Chemical Reaction
Chemical Reactions:
The processes in which a substance or substances undergo to produce new substances with new properties are known as chemical reactions. For example, when calcium carbonate is heated, calcium oxide (lime) and carbon dioxide are formed.
The breaking up of calcium carbonate into calcium oxide and carbon dioxide is, thus, a chemical reaction because calcium carbonate changes into substances calcium oxide and carbon dioxide.
The breaking up of calcium carbonate into calcium oxide and carbon dioxide is_____________________ reaction | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) The processes in which a substance or substances undergo a change to produce new substances with new properties are known as chemical reactions. (b) When calcium carbonate is heated, calcium oxide (lime) and carbon dioxide are formed is an example of chemical reaction (c) The breaking up of calcium carbonate into calcium oxide and carbon dioxide is a chemical reaction | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) When calcium carbonate is heated, calcium oxide (lime) and carbon dioxide are formed. (b) The processes in which a substance or substances undergo changes to produce new substances with new properties are known as chemical reactions. | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [20]
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