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Question
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
Solution
chemical change,
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RELATED QUESTIONS
Match the columns
| column A | coulmn B |
| 1. A change which cannot be easily reversed | a. man-made change |
| 2.A change that repeats itself at regular intervals | b. chemical change |
| 3. A change that is made by humans | c. physical change |
|
4. A change in which the original substance cannot be obtained |
d. periodic change |
| 5. A change where no new substance is formade | e. irreversible change |
| f. slow change |
Classify the following changes as physical or chemical:- melting of a solid (wax)
Classify the following changes as physical or chemical:- photosynthesis in plants
State whether the following is physical or chemical changes.
respiration in living beings —
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Tick the most appropriate answer.
Physical changes are
Write true or false
Deforestation is a man-made change.
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Select the chemical changes from the following list of changes
Drying of a fruit
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
