Question

1. Fill in the blank spaces by choosing correct words from the list given below :
List : solution, expands, irreversible, reversible. You may use a word/words more than once.
1. Burning of coal is an dash
change.
2. Distillation of petroleum to form petrol is an dash
change.
3. Melting of wax near the wick of a candle is dash
change, but the
burning of wax in the wick of the candle is
change.
4. A mixture obtained on dissolving a solid in water is called dash
5. Iron dash
on heating.
1​

Answer 1

Answers

1. irreversible
2. reversible
3. reversible,irreversible
4. solution
5. expands

[Please mark the answer as brainliest]