Advertisements
Advertisements
Question
Write true or false
Burning of paper and formation of curd are reversible changes.
Options
True
False
Advertisements
Solution
False.
Burning of paper and formation of curd are irreversible changes.
APPEARS IN
RELATED QUESTIONS
Write true or false for the statement.
Deforestation is a man-made change
State whether the following is physical or chemical changes.
glowing of a bulb -
Write true or false
Burning of sugar is a temporary change.
Tick the most appropriate answer.
Physical changes are
Which of the following are physical changes and which are chemical changes ?
The rusting of an iron object is called :
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Explain the term – ‘sublimation’. Is sublimation of naphthalene – a physical or a chemical change. Give reasons.
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
Filling up a balloon with hot air is a _______ change.
