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Worksheetsquiz 2 class 8th
Total questions: 10
Worksheet time: 5mins
What is the chemical formula of copper sulphate?
CuSO4
CuO
CuCl2
CuCO3
Which non-metal catches fire if the exposed to air
Sodium
Uranium
Calcium
Phosphorous
The sulphuric acid turns blue litmus paper into-
Red
. Dark blue
Yellow
Green
Which gas are produced when metal react with acids
Carbon dioxide
Hydrogen
Nitrogen
Oxygen
Which of the following can be beaten in to thin sheets?
Oxygen
Sulphur
Phosphorus
Zinc
Which material is hard in nature?
Wood
Oxygen
Coal
Iron
Which one of the following metal is used thermometers?
Mercury
Aluminum
Zinc
Copper
Which one of the following can't be drawn into wires?
Coal
Gold
Sulphur
Carbon
Metallic oxides are-
Acidic is nature
Neutral
Basic in nature
Either acidic or basic
Which one of the following is used for decorating sweets?
Silver foil
Copper foil
Aluminium foil
All of these
