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Question
What is meant by chemical change?
Complete the following reaction given below-
1. Sodium when reacts with oxygen forms.
2. Magnesium when reacts with hydrochloric acid forms.
Complete the following reaction given below-
1. Sodium when reacts with oxygen forms.
2. Magnesium when reacts with hydrochloric acid forms.
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Solution
A change that involves the formation of new substances from the original substances.
The reactions given below are -
1. Sodium when reacts with oxygen forms sodium oxide.
2. Magnesium when reacts with hydrochloric acid forms magnesium chloride followed by evolution of hydrogen gas.
A change that involves the formation of new substances from the original substances.
The reactions given below are -
1. Sodium when reacts with oxygen forms sodium oxide.
2. Magnesium when reacts with hydrochloric acid forms magnesium chloride followed by evolution of hydrogen gas.
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