Class 9 Chemistry MCQ
Which of the following is less malleable?
Sodium
Iron
Gold
Sliver
All are noble metals except:
Silver
Gold
Hydrogen
Platinum
The earth is made up of ___________ % of calcium.
4
5
6
7
Which one metal can be cut with a knife?
Na
Mg
AI
Ca
Non-metals do not reaction with
Strong bases
Concentrated acids
Dilute acids
Salts
The earth is made up of ___________ % of iron.
4
5
6
7
Metal can form ions carrying charges:
Uni-positive
Di-positive
Tri-Positive
All of them
The colour of calcium metal flame is
Golden yellow
Brilliant white
Brick red
Light green
____________ Is drawn in wires.
Gold
Silver
Helium
Nil
Gold can only be dissolved by:
Acids
Bases
Aqua Regia
Nil
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