The property of metal by which it can be drawn into wires is called Ductility
  • True
  • False
Phosphorus is stored in Water
  • True
  • False
Which of the following is a liquid at room temperature?
  • Iron
  • Bromine
  • Iodine
  • Phosphorus
The most reactive metal is
  • copper
  • silver
  • potassium
  • calcium
The metal which is liquid at room temperature is
  • sodium
  • bromine
  • calcium
  • mercury
Which one of the following metals is the most ductile?
  • Aluminium
  • Copper
  • Silver
  • Gold
Which one of the following metals is the most reactive and stored in kerosene?
  • Iron
  • Gold
  • Copper
  • Potassium
Name the gas evolved when magnesium reacts with dilute hydrochloric acid
  • Chlorine
  • Oxygen
  • hydrogen
  • Nitrogen
The metal which is not corroded by air, water and acid is
  • copper
  • zinc
  • aluminium
  • gold
Metals are
  • soft and brittle
  • hard and solid
  • liquid
  • generally liquid
Materials having qualities of both metals and non-metals are
  • alloys
  • metalloids
  • noble metals
  • none of these
Which metal reacts readily with cold water?
  • Gold
  • Silver
  • Magnesium
  • Calcium
The best electrical conductor is
  • gold
  • copper
  • silver
  • aluminium
Iron is galvanised by coating it with
  • chromium
  • sodium
  • magnesium
  • zinc
Out of these, which one is more reactive with water?
  • Sodium
  • Magnesium
  • Iron
  • Copper
Boron is
  • metal
  • metalloid
  • non-metal
  • alkali
A mineral from which. a metal can be extracted on the commercial scale, economically is called
  • ore
  • metalloid
Which of the following metals is in the liquid state at room temperature?
  • mercury
  • aluminium
  • Potassium
  • sodium
The metal which is stored in Kerosene
  • Magnesium
  • Sodium
  • zinc
  • Cooper
Brass is an alloy of
  • Cu and Sn
  • Zn and Cu
  • Pb and Sn
  • Cu and C
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