Unit Test - Chapter 1 & 2

Name

Grade - 9

• G
• H
• I

The correct symbol for Lead is?

• Li
• Pb
• Sn
• La

What is the valency of Aluminum?

• +1
• +2
• +3
• +4

Which of the following anion has a valency of -2?

• Bisulphite
• Nitrite
• Thiosulphate
• Aluminite

The correct name of the compound: HClO is?

• Hypochlorous Acid
• Chlorous Acid
• Chloric Acid
• Perchloric Acid

Which of the following metal is more reactive than Magnesium according to the activity series of metals?

• Zinc
• Calcium
• Lead
• Aluminum

Which of the following metal can be used as a catalyst in Haber's process to prepare Ammonia?

• Fe
• Cu
• Al
• All of these

Which of the following products are obtained when Potassium Nitrate is subjected to heat?

• Potassium Oxide + Nitrogen Dioxide + Oxygen
• Potassium Nitrite + Oxygen
• Potassium + Nitrogen Dioxide + Oxygen
• No Reaction

In the Flame Test, Potassium Burns with which Flame?

• violet
• Golden Yellow
• Brick Red
• Light Green