Reactivity of metals

Which of the following metals is the least reactive?

• Sodium

• Zinc

• Silver

• Gold

What happens when metals decide to take a dip in water?

• They form metal oxide and hydrogen

• They form metal oxide

• They throw a pool party and create metal hydroxide and hydrogen

• They create metal hydroxide

How are you feeling today?

• Good and great

• Okay

• Struggling

• Empty

What happens when a metal reacts with hydrochloric acid?

• metal + hydrochloric acid ➡ metal chloride + water

• metal + hydrochloric acid ➡ metal hydroxide + hydrogen

• metal + hydrochloric acid ➡ metal chloride + hydrogen

• metal + hydrochloric acid ➡ metal oxide + chlorine

When a metal reacts with oxygen, it forms _______________

• metal + oxygen ➡ metal oxide + water

• metal + oxygen ➡ metal hydroxide + hydrogen

• metal + oxygen ➡ metal oxide

• metal + oxygen ➡ metal chloride + oxygen

What happens when a piece of potassium is dropped into a container of water?

• The potassium reacts violently with a fizz or effervescence

• Heat is generated

• The metal gets smaller

• All of the above

What element reacts with oxygen and water and so is stored in oil?

• Gold

• Copper

• Sodium

• Zinc

What happens when you test for hydrogen?

• It does not ignite a burning splint

• It ignites a burning splint with a squeaky pop

• It ignites and produces a lilac flame

• It ignites with a loud explosion

What do you call it when a chemical combines with oxygen?

• aeration

• oxygenation

• oxidation

• breathing

What happens when iron and oxygen have a party together?

• oxyiron

• iron oxygen

• iron oxate

• iron oxide