Purity of a metal can be determined with the help of –

Related MCQs

• A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that –
• If a metal can be drawn into wires relatively easily it is called:
• Cathode rays when obstructed by metal cause emission of -
• Safety fuse wire used in domestic electrical appliances is made of metal of low
• The metal used to make lightning conductors is –
• The compound of a metal found in nature is called -
• The metal whose electrical conductivity is more, is –
• Electric current in a metal wire is due to the flow of —
• If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?
• A gap is left between two rails of a railway track to accommodate              of the metal.