Metals that react quickly/strongly with water and acids are called?

• Reactive
• Unreactive
• Dangerous
• Corrosive

An acid reacts with metal to produce 

• Carbon dioxide 
• Hydrogen gas
• Hydrogen gas and water 
• Salt and hydrogen gas 

Tags

NGSS.MS-PS1-2

What type of reaction is the following: 
HCl  + Zn --> ZnCl₂ + H₂

• Neutralisation
• Acid and a metal 
• Acid and a carbonate 
• Ionic 

Tags

NGSS.MS-PS1-2

How can you tell that a metal is reacting with water?

• Colour change
• Bright light
• Fizzing
• It gets colder

Tags

NGSS.MS-PS1-2

Which salt will be produced if magnesium react with hydrochloric acid?

• Magnesium oxide
• Magnesium sulfate
• Magnesium sulfide
• Magnesium chloride

An acid reacts with metal to produce 

• Carbon dioxide 
• Hydrogen gas
• Hydrogen gas and water 
• Salt and hydrogen gas 

A student added dilute hydrochloric acid to four metals and recorded his results. Which is correct

• No reaction with zinc

• Gas given off with copper

• Gas given off with magnesium

• quickly reacts with iron

Which statement is correct about all metals?

• They are attracted to a magnet.

• They are good conductors of heat and electricity.

• They react with acid.

• They react with water.

Which statement is correct about all metals?

• They are attracted to a magnet.

• They are weak and brittle.

• They may be used to form alloys.

• They react with water.

Which of the following metals do not react with acid?

• copper

• silver

• gold

• magnesium