reactivity of metals and reactivity series

When metal reacts with liquid water the products are...

• metal hydroxide and oxygen gas
• metal hydroxide and hydrogen gas
• metal oxide and oxygen gas
• metal oxide and hydrogen gas

What is made when magnesium reacts with hydrochloric acid?

• magnesium nitrate and hydrogen gas
• magnesium sulfate and hydrogen gas
• magnesium oxide and oxygen gas
• magnesium chloride and hydrogen gas

Which of the following reactions is likely potassium reacting with water?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

which gas is released

• hydrogen

• potasium

• oxygen

• zinc

What observation would you see if a metal is reacting with water?

• Colour change.

• A flame occurs.

• Bubbles are formed.

• It gets colder.

When a metal reacts with oxygen gas, the product is ...

• metal hydroxide
• metal oxide
• metal oxide and oxygen
• metal hydroxide and hydrogen gas

Which one of the following metals reacts most vigorously with cold water?

• Sodium
• Magnesium
• Copper
• Zinc

As well as a gas, there is another product made when an acid reacts with a metal. What is the name for this?

• Salt
• Water
• Alkali
• Carbon

Tags

NGSS.MS-PS1-2

The test for oxygen is that it …

• pops a lighted splint
• relights a glowing splint
• turns cobalt chloride paper pink
• turns limewater milky

Which of the following the most reactive in dilute acid

• magnesium
• calcium
• aluminum
• zinc