Metals and non-metals (71 to 75)

Q1. Non-metal exist in

• SOLID
• LIQUID
• GAS
• SOLID, LIQUID & GAS

Q-2. Non-metals are non-lustrous except

• GRAPHITE
• IODINE
• GRAPHITE & IODINE
• NONE

3.Which is the hardest naturally occurring substance?

• GRAPHITE
• COAL
• DIAMOND
• NONE

Q4. Which metal has low density?

• Na
• K
• Na,K
• NONE

Q5. Metal which can be cut with knife

• a. Iron.
• b. Copper.
• c. Gold.
• d. Sodium.