8C Reactivity

Which of the following the most reactive in dilute acid

• magnesium

• calcium

• aluminum

• zinc

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

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The least reactive in oxygen in the list is 

• iron
• zinc
• copper
• lead

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

• Sodium
• Magnesium
• Copper
• Zinc

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which metal is more reactive than calcium?

• magnesium
• potassium
• silver
• aluminum

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Will silver react with magnesium chloride solution?

• yes
• no

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

Tags

NGSS.HS-PS1-2

When sodium reacts with hydrochloric acid, what is the name of the salt formed?

• Sodium Hydride
• Sodium Chloride
• Sodium Hydrochloric
• Sodium Chlorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When potassium reacts with sulphuric acid, what is the name of the salt produced?

• Potassium Sulphide
• Potassium Sulphur
• Potassium Sulphuric
• Potassium Sulphate

Tags

NGSS.HS-PS1-2

Which of the following is NOT a clue that a chemical change has occurred?

• change in color
• production of gas
• change in termperature
• change in shape

Tags

NGSS.MS-PS1-2