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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
विकल्प
iodine
camphor
sugar
dry ice
MCQ
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उत्तर
sugar
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संबंधित प्रश्न
Which of the following are chemical changes?
- Growth of a plant
- Rusting of iron
- Mixing of iron fillings and sand
- Cooking of food
- Digestion of food
- Freezing of water
- Burning of candle
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Dissolving salt in water is a reversible change.
Photosynthesis cannot take place at night.
Is burning a physical change or a chemical change? Why?
State whether the following is physical or chemical changes.
burning of sugar —
Classify the following changes as physical or chemical.
Make a list of different types of changes with example.
What kind of change is shown by tearing of paper?
Cutting a log of wood into pieces is a chemical change.
