Metals and Nonmetals

Which of the following beaten in to thin sheets

• Phosphorus

• Zinc

• Sulphur

• Oxygen

Phosphorus is very reactive

• Metal

• Non metal

• Metalloid

• None of the above

Sodium is very reactive

• Non-metal

• Liquid metal

• Metal

• Metalloid

More reactive metal displaces less reactive metal from its salt solution is known as

• Combination reaction

• Displacement reaction

• Neutral reaction

• None of the above

Colour of copper sulphate solution is

• Green

• Blue

• Black

• White

Colour of iron sulphate is

• Blue

• Green

• Black

• None of the above

Zinc is more reactive than

• Copper

• Iron

• Copper and Iron both

• Only iron

Sodium is very reactive metal because it reacts vigorously with oxygen and water and

• Generate heat

• Catches fire

• Stored in kerosene

• All of the above

Metals are

• Hard

• Lustrous

• Sonorous

• Non ductile

Non-metal used in water purification process

• Oxygen

• Nitrogen

• Chlorine

• Iodine