Metals and Non Metals Class 7

What is the common name of iron ore

• Fe

• Iron (III) oxide

• Haematite

• None of the above/ all of the above

Which non metal is malleable , ductile and has high tensile strength

• Graphite

• Lithium

• Iodine

• Carbon fibre

• None of the above/ All of the above

What is silicon

• Halogen

• Metal

• Lustre

• Rare earth element

• Metalloid

Find the odd one out with a reason:

Fluorine, silver , gold , platinum

Which one of the following is a halogen

• Gold

• Boron

• Argon

• Fluorine