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Which of the following is not a characte...

Which of the following is not a characteristic of a chemical change?

A

It is irreversible

B

No net energy change is involved

C

New substance is formed

D

Involves absorption or liberation of energy

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ICSE-CHEMICAL CHANGES AND REACTIONS-EXERCISE 2(B)
  1. Give an example of double displacement reaction, where a gas is evolve...

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  2. What is a decomposition reaction ?

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  3. Decomposition reactions can occur by (i) heat (ii) electricity and (ii...

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  4. State the type of reactions each of the following equations represent ...

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  5. State the type of reactions each of the following equations represent ...

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  6. State the type of reactions each of the following equations represent ...

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  7. State the type of reactions each of the following equations represent ...

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  8. State the type of reactions each of the following equations represent ...

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  9. State the type of reactions each of the following equations represent ...

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  10. State the type of reactions each of the following equations represent ...

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  11. State the type of reactions each of the following equations represent ...

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  12. State the type of reactions each of the following equations represent ...

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  13. State the type of reactions each of the following equations represent ...

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  14. State the type of reactions each of the following equations represent ...

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  15. State the type of reactions each of the following equations represent ...

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  16. State the type of reactions each of the following equations represent ...

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  17. Which of the following is not a characteristic of a chemical change?

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  18. A reaction of a type : AB+CD to AD+CD, involves

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  19. The reaction: BaCl2(aq) + H2SO4 (aq) to BaSO4(s) + 2HCl(aq) is

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  20. Thermal decomposition of sodium carbonate will produce

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