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Fill ups A salt is made when the ………….in...

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A salt is made when the ………….in an acid is replaced by a………….

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Fill ups Salts of strong acids and weak bases are…………….in nature.

Fill ups Bee sting contains……………….acid.

Fill in the blanks Nucleic acids are polymers of …………….

Fill up a suitable word: ________ in Rna replaces thymine inDNA.

Fill ups Acids on ionisation give………………..ions.

Fill in the blanks When stamens are attached to petals they are ………….as in………..

Fill ups pH of acids is …………….than 7 while that of bases is …………..than 7.

Fill in the blank The human cranium is made of ………….bones.

Fill ups Vinegar contains………………acid.

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. What happens when blue litmus paper is dipped in a cold drink?

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  2. Fill ups pH of acids is …………….than 7 while that of bases is …………..than...

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  3. Fill ups A salt is made when the ………….in an acid is replaced by a………….

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  4. Name the two main consituents of baking powder.

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  5. Fill ups The chemical formula of washing soda is………….. .

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  6. Fill ups The pH of CuSO4(aq) solution is……………. .

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  7. Fill ups The chemical name of bleaching powder is……………. .

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  8. Fill ups Plaster of Paris is obtained by heating…………… .

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  9. Fill ups Bee sting contains……………….acid.

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  10. Fill ups Vinegar contains………………acid.

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  11. Fill ups Stomach has pH nearly equal to…………….due its secretion of……………...

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  12. On putting a few drops of a liquid on a pH strip, the colour of pH str...

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  13. When a few drops of universal indicator were added to a dilute solutio...

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  14. Dilute hydrochloric acid is added to sodium carbonate. It is observed ...

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  15. A student was given three samples containing hydrochloric acid, sodium...

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  16. The following solutions were tested for their pH value of by using pH ...

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  17. The colour of pH strip turned red when it was dipped in a sample, the ...

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  18. pH of saliva is :

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  19. Label 1 and 2 in the given figure.

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  20. On putting a few drops of an unknown liquid on the pH strip, the colou...

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