Reactivity of Metals with Water

Reactivity of Metals with Water

Assessment

Interactive Video

Chemistry, Science

9th - 12th Grade

Hard

Created by

Mia Campbell

FREE Resource

The video tutorial explores the reactivity of different metal groups with water. Group 1 alkali metals react vigorously, with lithium and potassium as examples. Group 2 alkaline earth metals show varied reactivity, with beryllium being inert and strontium forming a precipitate. Transition metals and elements like tin and lead are generally inert in water. Aluminium forms a protective oxide layer, preventing further reaction.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when lithium metal reacts with water?

It forms lithium carbonate and carbon dioxide.

It forms lithium hydroxide and hydrogen gas.

It forms lithium oxide and hydrogen gas.

It forms lithium chloride and oxygen gas.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color does the universal indicator paper turn when testing the solution formed by lithium in water?

Blue to purple

Colorless

Yellow to green

Red to orange

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the reaction of potassium with water more violent than that of lithium?

Potassium does not react with water.

Potassium forms a different compound.

Potassium is more reactive than lithium.

Potassium is less reactive than lithium.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Group 2 metal is too inert to react with water?

Calcium

Barium

Beryllium

Strontium

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed when strontium reacts with water?

A white precipitate

A blue solution

No reaction

A red flame

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are metal hydroxides not made by adding pure metals to water in industry?

It is less efficient.

It is too dangerous.

It is too slow.

It is more expensive.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is strontium hydroxide typically produced in industry?

By reacting strontium nitrate with a strong base

By reacting strontium metal with water

By reacting strontium oxide with water

By reacting strontium carbonate with acid

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