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WorksheetsMetal and Non metal
Total questions: 17
Worksheet time: 4mins
What is the symbol of potassium
K
Na
Name the most reactive metal
Pottasium
Graphite
The tendency of an element to react with other substance to form compound is an indicator of its
(a)
Elements which shows some properties of metals as well as non metals are called
Metalloid
Metolloid
Matalled
The two most abundant metals found in the earth crust
Iron
Aluminium
Copper
Silver
The only metal which exist in the liquid state at room temperature is
(a)
Metals used in making the alloy German Silver are
Copper
Zinc
Nickel
Cobalt
How many part of gold is in 18 carat gold
18 th part
41 part
32 part
Among metals which is the poorest conductor of heat and electricity
Gold
Mercury
Iron
Zinc
The most ductile metal
(a)
On exposure to Air for sometime metal loss their
Color
Lusture
Carbon is found in the form of
Compound
Liquid
Gas
The sequence of processes used to extract a metal in its pure form from its Ore is called
(a)
Metals generally have high melting point as well as boiling point.
True
False
The process of removal of impurities from the ore
Reduction
Refining of ore
Concentration of ore
Why silver is not used in electrical fittings
Very expensive
Bad conductor of electricity
Lack of silver
Why we apply bronze over copper for making statues
Bronze is harder than copper
Bronze is more ductile and malleable than copper
None of the above
