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प्रश्न
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
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उत्तर
chemical change,
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
Write true or false for the statement
A natural change can also be a desirable change
What are man-made changes ?
Define a chemical change. Give two examples of the above changes.
Given reason:
Burning of paper is a chemical change.
Give four difference between physical and chemical changes.
State why addition of sodium chloride to water is considered a physical change, while addition of dilute sulphuric acid to zinc is considered a chemical change.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Water is known as a universal solvent. Why?
Adding sugar to milk is a physical change.
