A burning candle shows both physical and chemical changes. Explain ?

1.	A burning candle shows both physical and chemical changes. Explain ?
Answer» A burning candle produces wax vapors which solidify and form wax again is a physical change. At the same time wax on burning produces water vapors and carbon dioxide which escape into the atmosphere which are new substances with new properties. It is a chemical change. Hence the burning of candle shows both physical and chemical changes.

Answer»

A burning candle produces wax vapors which solidify and form wax again is a physical change. At the same time wax on burning produces water vapors and carbon dioxide which escape into the atmosphere which are new substances with new properties. It is a chemical change.

Hence the burning of candle shows both physical and chemical changes.

Discussion

No Comment Found

Related InterviewSolutions

Define Crystalisation.
What kind of a change is the conversion of milk into yoghurt?
What kind of change is the falling of a tree in a storm?
A meteor streaking across the sky. what kind of changes in this?
Give reason:While purchasing canned food, its expiry date should be checked.
Sublimation is classified as a physical change. Why ?
Photosynthesis cannot take place at night.
What are man-made changes ?
Give two example of:Two harmful changes.
Photosynthesis requires1. heat energy.2. wind energy3. sunlight.4. sound energy.

A burning candle shows both physical and chemical changes. Explain ?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment