Acids, Bases And Salt Preparation Question Preview (ID: 51863)


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Choose the correct ionic equation for the reaction between lead (II) nitrate and potassium chloride
a) H+ (aq) + OH- (aq) ------------ H2O(l)
b) K+ (aq) + NO3- (aq) ------------ KNO3 (aq)
c) Pb2+ (aq) + 2Cl- (aq) ------------ PbCl2 (s)
d) Pb2+ (aq) + 2NO3- (aq) ------------ Pb(NO3)2 (aq)

State the method used to prepare barium sulfate from sodium sulfate and barium nitrate.
a) Neutralisation - Reacting acid with metal
b) Neutralisation - Reacting acid with insoluble base
c) Titration - Reacting acid with soluble base
d) Precipitation - Reacting two soluble substances

The following compounds are soluble except for:
a) calcium nitrate
b) ammonium sulfate
c) silver chloride
d) lead nitrate

The following compounds are soluble except for:
a) barium sulfate
b) magnesium nitrate
c) lithium hydroxide
d) calcium chloride

The following steps are needed for preparing salt using titration except for:
a) Adding indicator into alkali
b) Repeat using the same volume without indicator
c) Dry using filter paper
d) Add insoluble base in excess

The following steps are needed for preparing salt using precipitation except for:
a) Heat to evaporate water
b) Add two soluble substances
c) Dry using filter paper
d) Filter the mixture

State the method used to prepare sodium chloride from hydrochloric acid and sodium carbonate.
a) Neutralisation - Reacting acid with metal
b) Neutralisation - Reacting acid with insoluble base
c) Titration - Reacting acid with soluble base
d) Precipitation - Reacting two soluble substances

The following are methods to differentiate weak acid from strong acid except for:
a) Electrical conductivity
b) Rate of Reaction
c) pH value using universal indicator
d) Litmus paper

State the method used to prepare sodium chloride from hydrochloric acid and sodium hydroxide
a) Neutralisation - Reacting acid with metal
b) Neutralisation - Reacting acid with insoluble base
c) Titration - Reacting acid with soluble base
d) Precipitation - Reacting two soluble substances

What is the definition of weak base?
a) dissociates partially to form H+ ions
b) proton, H+ donor
c) proton, H+ receiver
d) dissociates partially to form OH- ions

What is the definition of weak acid?
a) dissociates partially to form H+ ions
b) proton, H+ donor
c) proton, H+ receiver
d) dissociates partially to form OH- ions

What is the definition of acid?
a) dissociates partially to form H+ ions
b) proton, H+ donor
c) proton, H+ receiver
d) dissociates partially to form OH- ions

What is the definition of base?
a) dissociates partially to form H+ ions
b) proton, H+ donor
c) proton, H+ receiver
d) dissociates partially to form OH- ions

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