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MBD-CHANGES AROUND US-EXAMPLE
- State whether burning of paper is a reversible or irreversible change.
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- Explain how explosion of cracker is a chemical change?
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- Explain the following terms: Reversible change
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- Explain the following terms: Irreversible change
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- Explain the following terms: Contraction
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- Explain the following terms: Evaporation
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- Explain the following terms: Condensation
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- Explain the following terms: Combustion.
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- State the reason for following : Heating of metal rim to fix on wooden...
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- State the reason for following : Storing of cooked food in refrigerato...
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- State the reason for following : Coating of iron sheet with tin before...
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- State the reason for following : Cutting of trees for fuel and furnitu...
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- State the reason for following : Burning of a candle is a physical or ...
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- Fill in the blanks- Cooking of food is a/an .......change.
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- It is a reversible process- Melting of ice
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- To prepare curd from milk,milk is..... .
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- The product of burning agarbatti is.....
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- Metal rim is slightly ....... than wooden wheel.
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- Coal tar (black material) is ............. before spreading on roads.
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- The process , in which a substance retains its original state after an...
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