Advertisements
Advertisements
Question
Fill in the blank
Revolution of the earth around the sun is a ________ change.
Advertisements
Solution
Revolution of the earth around the sun is a natural periodic change.
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Rusting of almirah
Explain the following giving an example.
Pure substance
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
Dissolving salt in water is a reversible change.
Classify the following as a physical or a chemical change.
Burning of paper
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
What is the difference between dissolution of sugar and burning of sugar ?
Match the items of Column I with the items of Column II.
| Column I | Column II | ||
| (a) | Large crystals | (i) | Turns lime water into milky |
| (b) | Depositing a layer of zinc on iron | (ii) | Physical change |
| (c) | Souring of milk | (iii) | Rust |
| (d) | Carbon dioxide | (iv) | Sugar candy (Mishri) |
| (e) | Iron oxide | (v) | Chemical change |
| (f) | Dissolving common salt in water | (vi) | Galvanisation |
Explain the characteristics of physical change with examples.
