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Dear student
The solution to your 31st query has been provided below:
The Differences between physical and chemical changes are:
For remaining queries, we request you to post them in separate threads to have rapid assistance from our experts.
Regards
The solution to your 31st query has been provided below:
The Differences between physical and chemical changes are:
| Physical Change | Chemical Change |
|---|---|
| 1. A physical change is a change of state of matter in which no chemical reaction is involved. | 1. A chemical change involves a chemical reaction to take place. |
| 2. Here no new substance is formed except state change. | 2. Here new substances are formed. |
| 3. Physical change is a reversible change | 3. Chemical change is an irreversible change |
| eg: Melting of wax of a candle is a physical change as the molten wax can solidify back. | eg: The burning of flame of a candle gives out new substances which cannot be brought back to their original form.Thus it is a chemical change. |
For remaining queries, we request you to post them in separate threads to have rapid assistance from our experts.
Regards
