Alloys of which of the following metals are light and are used for making aeroplane?
Silver
Tin
Aluminium
Zinc
Which of the following properties is not generally shown by metals?
Brittle
Malleable
Ductile
Conductor of heat
Which of the following metals does not react with dilute sulphuric acid to liberate hydrogen gas?
Calcium
Iron
The process of smelting is associated with the extraction of
Copper
Which one of the following metals is never used as catalyst in industrial preparations?
Nickel
Platinum
Which one of the following statement is not true?
Metals are situated on the left side of periodic table
Metals have a tendency to get reduced
Metals are sonorous
Metals at the bottom of reactivity series are quite electro positive
The oxides of very reactive metals are reduced to metals by
electrolytic reduction
heating with carbon
heating with aluminium
liquation
Which of the following metals can replace copper from a solution of copper sulphate?
Gold
The most abundant metal in the crust is
Carbon
platinam
