Question

Short answer type questions.

1. Write the characteristics of chemical reactions.

2. Write the electron dot structure of aluminium Chlorine.

3. Why do acids not show acidic behaviour in the

absence of water?

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Answer 1

Answer:

The characteristics of a chemical reaction are :

Evolution of gas.

Formation of a precipitate.

Change in color.

Change in temperature.

Change in state.

Formation of new substances.

Q.2 The electron dot structure of aluminium Chlorine. is in the picture.

Explanation:

The acids will not show its acidic behaviour in the absence of water, this is because acids do not dissociate to produce H+(aq) ions in the absence of water.