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(a) What is the action of litmus on: (...

(a) What is the action of litmus on:
(i) Dry ammonia gas
(ii) Solution of ammonia gas in water
(b) State the observations you would make on adding sodium hydroxide to aqueous solution of :
(i) Ferrous sulphate
(ii) Aluminium chloride
Give balanced chemical equations.

Text Solution

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(a) (i) No change in colour
(ii) red litmus turns blue
(b) (i) `2NaOH(aq)+FeSO_4(aq) to Fe(OH)_2(s)+Na_2SO_4`
Sodium hydroxide Ferrous sulphate Ferrous hydroxide Sodium sulphate
(iii) `3NaOH(aq)+AlCl_3(aq) to Al(OH)_3(s)+ NaCl(aq)`
Sodium Hydroxide Aluminium chloride Aluminium Hydroxide Sodium chloride
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OSWAAL PUBLICATION-ACIDS,BASES AND SALTS -TOPIC -1 SHORT ANSWER TYPE QUESTIONS -II
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  2. Differentiate between strong and weak acids. Identify the strong and w...

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  3. (i) Write the name given to bases that are highly soluble in water. Gi...

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  4. (i) Two solutions X and Y are tested with universal indicator. Solutio...

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  5. Name the acid present in the following: (i) Tomato (ii) Vinegar (iii...

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  6. A liquid has a pH less than 7 which represent an acidic solution: (i...

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  7. (i) Giving reason for each. State which of the following will conduct ...

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  8. To the three solutions listed below, a few drops of phenophthalein and...

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  9. 10ml of water and 5ml of sulphuric acid are to be mixed in a beaker. ...

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  10. Illustrate any three chemical properties of acids with examples.

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  11. Sugandha prepares HCl gas in her school laboratory using certain chemi...

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  12. A student takes three beakers A,B and C filled with aqueous solution o...

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  13. A metal is treated with dilute sulphuric acid. The gas evolved is coll...

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  14. Explain the action of dilute hydrochloric acid on the following with c...

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  15. A few crystals of copper sulphate are heated in B/F dry boiling tube: ...

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  16. while eating food, you spill some curry on your shirt. You immediatel...

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  17. After drinking excess of cold drink, a person suffers from acidity. Ex...

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