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- 1. Multiple Choice
What is analytical chemistry?
the area of chemistry responsible for characterizing the composition of matter on qualitatively measurement.
the area of chemistry responsible for characterizing the composition of matter on quantitative measurement.
the area of chemistry responsible for characterizing the composition of matter on qualitatively and quantitative measurement.
- 2. Multiple Choice
A qualitative test will reveal....
identity of a material
amount of a sample
usefulness of a compound
purity of a substance
- 3. Multiple Choice
ppt formed when Sodium hydroxide is added to Lead nitrate solution
Reddish Brown ppt
Dirty Green ppt
Chalky white ppt
Gelatinous white ppt
- 4. Multiple Choice
ppt formed when Ammonium hydroxide is added to Zinc nitrate solution
Reddish Brown ppt
Dirty Green ppt
Chalky white ppt
Gelatinous white ppt
- 5. Multiple Choice
ppt formed when Sodium hydroxide is added to Ferrous sulphate solution
Reddish Brown ppt
Dirty Green ppt
Chalky white ppt
Gelatinous white ppt
- 6. Multiple Choice
ppt formed when Ammonium hydroxide is added to Calcium Nitrate solution
No ppt
Dirty Green ppt
Chalky white ppt
Gelatinous white ppt
- 7. Multiple Choice
ppt formed when Sodium hydroxide is added to Copper Chloride solution
Reddish brown ppt
Pale Blue ppt
Chalky white ppt
Gelatinous white ppt
- 8. Multiple Choice
ppt formed when Ammonium hydroxide is added to Ferric Chloride solution
Chalky white pp
Pale Blue ppt
Dirty green ppt
Reddish brown ppt
- 9. Multiple Choice
What are the formula of the products formed by reaction of Sodium hydroxide and Copper Sulphate ?
Cu(OH)2
Cu2OH
Na(SO4)2
Na2SO4
- 10. Multiple Choice
Reaction of Sodium hydroxide or ammonium hydroxide with Metal salt solutions are generally
Displacement reactions
Double displacement reactions
Combination reactions
Important Reactions for exam
- 11. Multiple Choice
Pick out the amphoteric oxide
CaO
ZnO
MgO
CuO
- 12. Multiple Choice
Name the gas formed when Aluminium react with NaOH
Oxygen
Water
Hydrogen
Ammonia
- 13. Multiple Choice
Name the salt formed when lead oxide react with KOH
Sodium zincate
Potassium Aluminate
Potassium oxide
Potassium plumbite
- 14. Multiple Choice
SOLUBLE BASES ARE CALLED ____
ALKALIS
HYDROIDES
REAGENTS
COMPOUNDS THAT DISSOVE IN WATER TO GIVE OH- IONS
- 15. Multiple Choice
WHAT IS THE COLOUR OF FeCl3 SOLOUTION ?
GREEN
YELLOW
WHITE
BLUE
COLOURLESS
- 16. Multiple Choice
WHAT IS THE COLOUR OF FeSO4 SOLOUTION ?
GREEN
YELLOW
WHITE
BLUE
COLOURLESS
- 17. Multiple Choice
WHAT IS THE COLOUR OF Pb(NO3)2 IN SOLID STATE ?
GREEN
YELLOW
WHITE
BLUE
COLOURLESS
- 18. Multiple Choice
WHAT IS THE COLOUR OF THE PRECIPITATE FORMED WHEN NaOH is added dropwise to Ca(NO3)2 AND WHETHER IT WILL BE SOLUBLE/INSOLUBLE IN EXCESS ?
DIRTY GREEN, insoluble
REDDISH BROWN, insoluble
WHITE , insoluble
PALE BLUE, insoluble
WHITE, soluble
- 19. Multiple Choice
WHAT IS THE COLOUR OF THE PRECIPITATE FORMED WHEN NaOH is added dropwise to Zn(NO3)2 AND WHETHER IT WILL BE SOLUBLE/INSOLUBLE IN EXCESS ?
DIRTY GREEN, insoluble
REDDISH BROWN, insoluble
WHITE , insoluble
PALE BLUE, insoluble
WHITE, soluble
- 20. Multiple Choice
IN THIS CHAPTER WE ARE DEALING WITH
QUANTITATIVE ANALYSIS
QUALITITATIVE ANALYSIS
BOTH QUANTITATIVE AND QUALITITATIVE ANALYSIS
QUALITITATIVE ANALYSIS OF CATIONS ONLY OF A SOLUBLE SALT
- 21. Multiple Choice
WHICH ARE AMPHOTERIC METALS? (MORE THAN ONE OPTION MIGHT BE CORRECT)
ZINC
SODIUM
LEAD
ALUMINIUM
- 22. Multiple Choice
THE COMPOUND FORMED WHEN excess NaOH reacts with Zinc salt solution.
sodium zinc hydroxide
sodium zincate
zinc sodium oxide
sodium zinc sulphate
- 23. Multiple Choice
WHAT IS THE COLOUR OF THE PRECIPITATE FORMED WHEN NH4OH is added dropwise to CuSO4 AND WHETHER IT WILL BE SOLUBLE/INSOLUBLE IN EXCESS ?
DIRTY GREEN, insoluble in excess
PALE BLUE, in excess forms 2 layers of pale blue and inky blue
PALE BLUE, in excess becomes soluble and color remains pale blue
PALE BLUE, insoluble in excess
PALE BLUE, in excess it turns soluble to give an inky blue solution
- 24. Multiple Choice
What is colour of [Cu(NH3)4]SO4 soln.?
pale blue
light blue
inky blue
greenish blue
- 25. Fill in the Blank
Amphoteric metals react with both dilute acid and _____ to give salt and hydrogen gas.
- Answer choicesTagsAnswer choicesTags