Do metals react more violently with water or acid?
Water
Acid
What are the products of metals and acids reacting?
Salt + water
Salt + hydrogen
What happens when magnesium is put in hydrochloric acid?
Nothing
Bubbles a lot
What happens when copper is put into hydrochloric acid?
Which of these is the correct word equation for zinc and hydrochloric acid?
zinc + hydrochloric acid → zinc chloride + hydrogen
zinc + hydrochloric acid → zinc hydrate + chlorine
What two things must have reacted to form calcium chloride and hydrogen?
calcium and chlorine
calcium and hydrochloric acid
Which one of these does not react with hydrochloric acid?
Iron
Aluminium
Copper
