Quiz Practice

Which of the following is not a common property of metal?

• Malleable

• Shiny

• Soft

• Gas state in room temperature

Which property is suitable to make a cable out of metal?

• Insulative

• Hard

• Ductile

• Elastic

A test tube containing zinc + sulfuric acid was added by a copper catalyst. What will happen to the reaction?

• The reaction of zinc and sulfuric acid will speed up

• Nothing happens to the reaction

• No reaction will happen because zinc is unreactive

• The reaction of zinc and copper will speed up

A scientist put a piece of metal in 2 different test tubes, which is tube A and B. Afterward, he put another metal in the tube A then pour acid into both of the test tubes. Test tube A produces more bubble gases than test tube B. Which one acts as a catalyst?

• Piece of metal in test tubes A and B

• The acid

• The test tubes

• The additional metal in test tube A

How do we prevent corrosion?

• Paint with watercolor paints

• Coat it with metal oxide

• Wrap it with bubble wrap

• Coat with baking powder

Why Calcium is not suitable to make a bridge?

• Because Calcium is for bone

• Because Calcium won't last long in wet weather

• Because Calcium reactive with acid

• Because Calcium is found in milk only

Which metal reacts faster with acid?

• Copper

• Gold

• Platinum

• Calcium

What salt will be formed if you add Sodium (Na) into Sulfuric acid?

• Sodium Nitrate

• Sodium Sulfate

• Sodium Chloride

• Sodium acid

Which of the following options is not the common acid to make a metal salt?

• Hydrochloric acid

• Sulfuric acid

• Nitric acid

• Oxytric acid

Which of the following is not an alloy?

• 24K gold

• Brass

• Bronze

• Solder