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प्रश्न
Select the chemical changes from the following list of changes
Butter turning rancid
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उत्तर
Butter turning rancid is a CHEMICAL change as composition changes, a new substance with new properties is formed, irreversible and permanent change.
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संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Dissolving salt in water is a reversible change.
State whether the following is physical or chemical changes.
glowing of a bulb -
State whether the following is physical or chemical changes.
shaping a piece of glass —
State the Differences Between a Physical Change and a Chemical Change.
Which of the following are physical changes and which are chemical changes?
Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper.
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
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.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
