Metals and non metals

The non-metal which is liquid at room temperature is

• Mercury

• Bromine

• Chlorine

• sodium

Name the metal which is the best conductor of electricity.

• copper

• silver

   

• gold

• none of these

Name the metal which is used as a thermometric liquid

• mercury

• tin

• lead

• magnesium

Metal that can be cut with a knife is 

• Sodium

  . 

• Iron 

• Gold

• calcium

Which of the following is a non-metal.

• Iron

• Bromine

• Silver

• gold

Which of the following is a metal.

• Carbon

• Hydrogen

• Gold

• nitrogen

Name the metal which is brittle.

• iron

• copper

• zinc

• potassium

Name the metal which is as precious as gold.

• platinum

• iron

• copper

• zinc

Which of the following describes metals

• can not conduct heat and electricity and can be easily shaped.

• can conduct heat and electricity and can be easily shaped.

• they are in powder form.

• None of the above.

Metals can be hammered into thin sheets. This property is called

• ductility

• sonority

• malleability

• strength