EPT

NAME-

ROLL NUMBER-

1. An element is a pure substance made up of same kind of

• MOLECULES ONLY
• ATOMS ONLY
• MOLECULES ONLY & ATOMS ONLY
• NONE

2.The elements which do not react chemically with other elements or compounds are known as

• METALLOIDS
• METALS
• INERT GASES
• NON-METAL

3.Which non metal is a good conductor of electricity?

• OXYGEN
• NITROGEN
• CARBON( GRAPHITE)
• NONE

4.A non-metal which is lustrous

• HYDROGEN
• OXYGEN
• IODINE
• SULPHUR

5.Select the pair of metalloids

• B,P
• Si,N
• P,N
• B,Si