Melting of wax is a change where a solid changes to a liquid state. Give one more such change which you observe in your surroundings.

Open in App

Solution

When a candle is burning two things occur simultaneously. First, melting of wax and second, burning of wax. In these, the melting of wax is a physical change but the burning of wax is a chemical change. Because in burning oxidation of wax actually takes place which is a chemical change.
According to the given condition, another example is 'Melting of ice'.

Suggest Corrections

Similar questions

Question 12

Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings.

Melting of wax is a change where solid changes to a liquid state and this type of changes are called chemical changes.

Statement 1: Melting is a physical change because melting doesn't create a new substance. It only changes the state of the wax from solid to liquid.
Statement 2: Burning is a chemical change because once wax is burnt, the wax gets converted to new substances.

Which of these statements is correct?

Q. Assertion :The burning of a candle is both a physical and a chemical change. Reason: Burning of candle melts the wax and hence physical state of wax has changed from solid to liquid. Again the wax combines with the atmosphere oxygen and changes to carbon dioxide, heat and light.

We observe that some portion of wax (in a candle) melts and another portion of it is used in producing heat and light.
Statement A: The melting of wax is a physical change.
Statement B: The burning of wax for the production of heat and light is a chemical change.
State which of the statement(s) is/are true.

Join BYJU'S Learning Program