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pH has a great importance in our daily l...

pH has a great importance in our daily life. Explain by giving three examples.

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DINESH PUBLICATION-ACIDS, BASES AND SALTS -LONG ANSWER QUESTIONS
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  7. (i) Explain why is hydrochloric acid a strong acid and acetic acid, a ...

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  8. Write the chemical name of Na(2)CO(3).10H(2)Oand Na(2)CO(3). Writer th...

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  11. (a) The blue colour of crystals of a substance changed on heating in a...

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  12. Five solutions A,B,C,D and E when tested with universal indicator show...

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  13. (a) Define a universel indicator. Mention its one use. (b) Solution ...

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  14. pH has a great importance in our daily life. Explain by giving three e...

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  15. What is tooth enamel chemically ? State the conditions when it starts ...

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  16. Write the chemical name of Na(2)CO(3).10H(2)Oand Na(2)CO(3). Writer th...

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  17. Five solutions A,B,C,D and E when tested with universal indicator show...

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  18. What will you observe when : (i) Red litmus paper is introduced into...

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  19. (a). What is bleaching powder? How is bleaching powder prepared? Write...

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  20. (a). What is plaster of paris? Write the chemical formula of plaster o...

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