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प्रश्न
Wood to sawdust:______:: Wood to Ash: Chemical change
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उत्तर
Wood to sawdust: Physical change. :: Wood to Ash: Chemical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
State whether the following is physical or chemical changes.
Slaking of lime —
Give the main differences between physical changes and chemical changes.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
Breaking of glass
Select the chemical changes from the following list of changes
Change of seasons
______ is the Universal Solvent.
Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
