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

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

Will silver react with magnesium chloride solution?

• yes
• no

Lithium chloride + Iron → ?

• Lithium chloride + Iron (No change)

• Iron chloride + Lithium

• Lithium oxide + hydrogen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Zinc sulphate + Magnesium → ?

• Magnesium + Sulphur + Hydrogen

• Zinc sulphate + Magnesium

• Magnesium sulphate + Zinc

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Acid + Metal --> ?

• Salt + Water
• Salt + Hydrogen
• Salt
• Hydrogen

Tags

NGSS.MS-PS1-2

Which gas gives out a 'squeaky pop' when a lighted splint is placed in it?

• hydrogen

• oxygen

• carbon dioxide

• nitrogen

Calcium carbonate is a combination of:

• Calcium, carbon and nitrogen

• Calcium, hydrogen and nitrogen

• Calcium, oxygen and carbon

• Calcium, carbon and hydrogen