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(a). What is an indicator? Name three co...

(a). What is an indicator? Name three common indicators.
(b). Name the acid-base indicator extracted from lichen.
(c). What colour does the turmeric paper turn when put in an alkaline solution.?.

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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. Complete and balance the following chemical equations (a). Zn(s)+HCl...

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  2. Fill in the blanks in the following sentences: (a). Acids have a tas...

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  3. (a). What is an indicator? Name three common indicators. (b). Name t...

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  4. What is an olfactory indicator? Name two olfactory indicators. What is...

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  5. Which gas is usually liberated when an acid reacts with a metal? Illus...

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  6. While diluting an acid, why is it recommended that the acid should be ...

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  7. What happens when an acid reacts with a metal hydrogencarbonate? Write...

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  8. (a). What happens when dilute hydrochloric acid is added to sodium car...

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  9. What happens when an acid reacts with a base? Explain by taking the ex...

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  10. What happens when an acid reacts with a metal oxide? Explain with the ...

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  11. (a). What are organic acids and mineral acids? (b). Give two example...

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  12. What is meant by strong acids and weak acids? Classifiy the following ...

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  13. Why do HCl, HNO(3), etc., show acidic characters in aqueous solutions ...

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  14. What happens when an acid reacts with a base? Explain by taking the ex...

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  15. Why should curd and sour substances not be kept in brass and copper ve...

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  16. (a). What is produced if an acid is added to a base? (b). Why does d...

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  17. (a). Why do acids not show acidic behaviour in the absence of water? ...

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  18. (a). What happens when an acid reacts with a metal carbonate? Explaini...

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  19. Compounds such as alcohols and glucose also contain hydrogen but are n...

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  20. 10 mL of a solution of NaOH is found to be completely neutralised by 8...

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