WorksheetsPractical chemistry
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
A gas that burns with pop sound
a)
Oxygen
b)
Hydrogen
c)
Carbon dioxide
d)
Ammonia
2.
A gas that rekindles burning spinter
a)
Oxygen
b)
Hydrogen
c)
SO2
d)
Ammonia
3.
A gas that bleaches litmus paper
a)
Oxygen
b)
NO2
c)
Chlorine
d)
Ammonia
4.
A gas that turns acidified KMnO4 solution colourless
a)
SO2
b)
NO2
c)
Chlorine
d)
CO2
5.
A gas that turns Lead acetate paper silvery black
a)
SO2
b)
H2S
c)
Anmmonia
d)
Oxygen
6.
A gas that turns Nesslers reagent brown
a)
CO2
b)
H2S
c)
HCl
d)
Ammonia
7.
Colour of ppt formed when HCl is passed through AgNO3 solution
a)
Yelow
b)
Black
c)
White
d)
Green
8.
Flame colour of Na+
a)
Lilac
b)
Brick red
c)
White
d)
Golden yellow
9.
Flame colour of Ca2+
a)
Lilac
b)
Brick red
c)
Green
d)
Golden yellow
10.
Cation which forms green colour to flame test
a)
Cu2+
b)
Na+
c)
K+
d)
Ca2+
100 %
