Precipitation Reactions (HSC SSCE Chemistry): Quizzes

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Precipitation Reactions
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What is a precipitation reaction?

Two solutions mix; solid forms and falls

What are spectator ions in a precipitation reaction?

Ions present but don't participate

Why are sodium salts used as the source of anions in precipitation investigations?

All sodium compounds are soluble

What concentration defines a compound as soluble?

More than 10 g/L dissolves

Which compounds are always soluble according to solubility rules?

Group 1 and NH4+\text{NH}_4^+ compounds

What is true about nitrate compounds?

They are always soluble

Which carbonates are soluble in water?

Group 1 and NH4+\text{NH}_4^+ only

What does a net ionic equation show?

Only ions that undergo chemical change

What indicates a precipitate has formed?

Solution becomes cloudy or turbid

Will mixing Na2SO4\text{Na}_2\text{SO}_4 and Pb(NO3)2\text{Pb(NO}_3)_2 solutions form a precipitate?

Yes, PbSO4\text{PbSO}_4 is insoluble

Explore HSC SSCE Chemistry Revision Notes by Topics

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Types of Chemical Reaction

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Explore HSC SSCE Chemistry Flashcards by Topics

Types of Chemical Reaction

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Explore HSC SSCE Chemistry Exam Questions by Topics

Types of Chemical Reaction

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Galvanic Cells and Standard Electrode Potentials

Rates of Reaction

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