Question

3. Find the term indicated: a(n) = 4" + 1 - 1 + 1; a(3).​

Answer 1

Answer:

When a candle burns, both physical and chemical changes occur. Physical Changes: On heating, candle wax gets melted. Since it again turns into solid wax on cooling. So, the melting of wax and vapourisation of melted wax are physical changes.