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WorksheetsSapna Wadhwa
Total questions: 10
Worksheet time: 6mins
Which one of the following metal is most reactive and stored in kerosene ?
Iron
Gold
Copper
Potassium
Which metal readily reacts with cold water?
Gold
Silver
Calcium
Magnesium
The solution of -------- in alcohol has antiseptic property.
Iodine
Fluorine
Chlorine
None
Nitrates of --------- find use in photography
Gold
Diamond
Silver
Copper
-------- is metal that has low melting point.
(a)
Gold is added to copper to make it hard.
True
False
Minerals from which metals are extracted.
Ore
Metalloid
Corrosion
Non-metals
When Non-metals react with water?
Hydrogen gas is formed
Carbon dioxide gas is formed
Non-metals do not react with water
None of these
Which among the following is the most abundant metal found in earth's crust?
Magnesium
Aluminium
Potassium
Sodium
Galvonization is method of protecting steel and iron from rusting by coating them with thin layer of
Copper
Zinc
Aluminium
Bouxite
