Advertisements
Advertisements
प्रश्न
True or false
Change of seasons is a non-periodic change.
पर्याय
True
False
Advertisements
उत्तर
False.
Change of seasons is a periodic change.
APPEARS IN
संबंधित प्रश्न
Classify the following changes as physical or chemical:-boiling
A burning candle shows both physical and chemical changes. Explain ?
State four differences between physical and chemical changes.
Write true or false
Rusting of iron is a chemical change.
True or false
Dissolving of a solid in liquid is a physical change.
Name two reversible changes.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
When ice melts to form water, change occurs in its
Fill in the blanks in the following statements using the words given in the box.
| rusted, colourful, substance, chemical, physical, reversible, iron oxide, object |
- Making sugar solution is a ______ change.
- A physical change is generally ______.
- Grinding of wheat grain changes its size. It is a ______ change.
- Iron benches kept in lawns and gardens get ______. It is a ______ change because a new ______ is formed.
Give two examples for the following case:
Physical changes which are not reversible
