Which of the following metals can replace copper from a solution of copper sulphate?
Silver
Gold
Zinc
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
Which one of the following metals is never used as catalyst in industrial preparations?
Iron
Nickel
Calcium
Which of the following properties is not generally shown by metals?
Brittle
Malleable
Ductile
Conductor of heat
Alloys of which of the following metals are light and are used for making aeroplane?
Tin
Aluminium
The most abundant metal in the crust is
Carbon
platinam
Which of the following metals does not react with dilute sulphuric acid to liberate hydrogen gas?
___________ is known as rock salt.
Sodium chloride
Sodium carbonate
Sodium bicarbonate
Sodium hydroxide
The process of smelting is associated with the extraction of
Copper
