Question

1. Name a metal that can be cut with a knife.
2. Give two uses each of carbon, iron and silver.​

Answer 1

Answer:

1. sodium
2. Iron and steel are used widely in the construction of roads, railways, other infrastructure, appliances, and buildings.

Answer 2

Answer:

1. Sodium and Potassium metals are the two metals which are soft and can be cut with a knife.

• 2.Carbon in its diamond form is used in jewellery. ...
• Amorphous carbon is used to make inks and paints. ...
• Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese. ... Magnets can be made of this metal and its alloys and compounds.
• Silver is used to make mirrors, as it is the best reflector of visible light known, although it does tarnish with time. It is also used in dental alloys, solder and brazing alloys, electrical contacts and batteries.