Reactivity series - 1

Which of these metals in Group 1 is the most reactive?

• Sodium

• Potassium

• Lithium

Which of these metals in Group 1 is the least reactive?

• Sodium

• Potassium

• Lithium

Which metal is more reactive, calcium or magnesium?

• Calcium

• Magnesium

A reactivity series is a list of metals in order of reactivity with the least reactive at the top and the most reactive at the bottom.

• True

• False

A reactivity series is a list of metals in order of reactivity with the most reactive at the top and the least reactive at the bottom.

• True

• False

What does effervescence tell you in a chemical reaction?

• A solid is made

• A gas is made

• A solution is made

• A liquid is made

Which of the following metals is very unreactive?

• Sodium

• Potassium

• Gold

• Calcium

Which of the following metals is the most reactive?

• Gold

• Silver

• Platinum

• Magnesium

What gas is formed when a metal reacts with an acid?

• Oxygen

• Chlorine

• Nitrogen

• Hydrogen

How can we test for hydrogen gas?

• Use limewater - it will turn cloudy

• Use a glowing splint - it will relight

• Use a lit splint - it will burn with a squeaky pop

• Use damp litmus paper - it will be bleached