Year 10 Science - Skill #4 - Balancing equations

Is the chemical equation balanced?

• Yes.

• No.

Is the chemical equation balanced?

• Yes.

• No.

Is the chemical equation balanced?

• Yes.

• No.

Is the chemical equation balanced?

• Yes.

• No.

What are the correct coefficients for the equation?

• 2, 3, 4

• 3, 4, 2

• 2, 2, 4

• 4, 3, 2

What are the correct coefficients for the equation?

• 2, 6, 2, 3

• 3, 4, 2, 6

• 2, 2, 4, 3

• 4, 3, 2, 5

What are the correct coefficients for the equation?

• 2, 6, 2, 3

• 2, 1, 1, 1

• 1, 2, 1, 1

• 4, 3, 2, 5

What are the correct coefficients for the equation?

• 1, 2, 1, 2

• 2, 1, 1, 1

• 1, 2, 1, 1

• 4, 3, 2, 5

How many molecules of water are needed to balance this equation?

• 1

• 2

• 3

• 4

How many molecules of magnesium nitrate are needed to balance this equation?

• 1

• 2

• 3

• 4