Analytical Chemistry MCQs-Class 10

All About Chemistry4 years ago3 months ago01 mins

1. When NaOH solution is added to Zinc nitrate solution Chalky White ppt formed Gelatinous White ppt formed Dirty green ppt formed Reddish brown ppt formed

2. Identify the Hydroxide soluble in NaOH solution. Calcium hydroxide Copper hydroxide Ferric hydroxide Zinc hydroxide

3. Identify the compound formed when Copper hydroxide reacts with ammonium hydroxide. tetraamminecopper(II) hydroxide copper nitrate Copper hydrogen carbonate copper nitride

4. Identify the compound is soluble in water. zinc hydroxide sodium zincate lead hydroxide lead sulphate

5. The ppt formed when calcium nitrate reacts with sodium hydroxide solution. calcium hydroxide calcium sulphate calcium chloride calcium oxide

6. The Metal ion which can produce a coloured ion Ferric Lead Zinc Calcium

7. The hydroxide which is soluble in ammonium hydroxide copper hydroxide zinc hydroxide both of the above None of the above

8. When ammonium hydroxide is added to copper sulphate solution Pale blue ppt formed which is insoluble in excess ammonium hydroxide solution Pale blue pp formed which turns to inky blue solution Reddish brown ppt formed which turns to blue solution Dirty green ppt formed which turns to blue solution

9. The hydroxides which are soluble in NaOH solution Ferrous and copper Ferric and zinc zinc and lead Copper and lead

10. The salt solution which cannot produce any ppt when treated with ammonium hydroxide solution. Copper nitrate Zinc nitrate Lead nitrate Calcium nitrate

11. The salts formed when zinc nitrate reacts with sodium hydroxide Zinc oxide and sodium zincate zinc hydroxide and sodium zincate Zinc carbonate and zinc hydroxide Zinc oxide and Zinc hydroxide

12. When ammonium hydroxide is added to ferric chloride solution Reddish brown ppt formed which is insoluble in excess ammonium hydroxide Reddish brown ppt formed which is soluble in excess ammonium hydroxide Dirty Green ppt formed which is insoluble in excess ammonium hydroxide Dirty Green ppt formed which is soluble in excess ammonium hydroxide

13. The compound formed when zinc hydroxide reacts with excess ammonium hydroxide ammonium carbonate zinc oxide tetraamminezinc(II) hydroxide sodium zincate

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