WorksheetsForm 4 Chemistry
Total questions: 15
Worksheet time: 8mins
All are soluble Except
NaCl
PbCl2
KI
KNO3
Is Zinc Nitrate soluble?
Yes
No
What is the chemical equation for Potassium Hydroxide + Sulphuric Acid?(Balance it)
KOH + 2H2SO4---->K2SO4 + H2O
KOH + H2SO4---->KSO4 + H2O
NaOH+ H2SO4---->Na2SO4+H2O
2KOH+H2SO4---->K2SO4+H2O
Bromide salt is insoluble with..
Pb2+,Ag+,Cl-
Ag+,Hg+,Ba2+
Hg+,Pb2+,Ag+
Cl-,Pb2+,Hg+
What is The colour of Iron(II) salts in the state of Solid?
White
Colourless
Green
Brown
Which salt/compound is considering in the state of solid?
Potassium salts(Colourless)
Copper(II)chloride(Blue)
Iron(III)salts(Brown)
Carbonate salts(Colourless)
Is Barium(II)sulphate soluble?
Yes
No
Which group of salt/compound is white when they're solid
Carbonate salts,Iron(II) salts
Lead(II)salts,Calcium salts
Lead(II)oxide,Iron(III)salts
Copper(II)sulphate,Sulphate salts
What is the colour of Zinc Oxide(Solid) when in hot condition?
Blue
Yellow
Black
Colourless
What is the colour of Iron(II) salt?
(a)
What is the colour of Lead(II)oxide when HOT
Green
Yellow
Brown
Black
Sulphate salt is insoluble with..
Pb2+,Cl-,Br-
Ba2+,Ca2+,Pb2+
Pb2+,Ag+,Hg+
Cl-,Ba2+,Ag+
Is the colour of copper(II)nitrate and copper(II)sulphate the same?
Yes
No
What is the colour of Copper(II)oxide
Black
Green
Blue
Yellow
What is the colour of Zinc oxide when COLD
Black
Yellow
White
Blue
