Balancing Reactions Quiz 1

James, Mason, and Ethan are working on a chemistry project. They need to balance the following equation for their experiment:

__ H₃PO4 + __ KOH → __ K₃PO₄ + __ H₂O

• 1, 3, 1, 3

• 3, 3, 1, 1

• 3, 1, 3, 1

• 6, 2, 6, 2

Tags

NGSS.MS-PS1-5

Mia, Ava, and Sophia are in a chemistry class. Their teacher gave them a challenge to balance the following equation:

__ K + __ B₂O₃ → __ K₂O + __ B

Can you help them find the correct coefficients?

• 2, 3, 1, 6

• 6, 1, 3, 2

• 1, 2, 3, 6

• 2, 6, 3, 1

Tags

NGSS.MS-PS1-5

Abigail was conducting a chemistry experiment in her school lab. She was asked to balance the following equation:

__ HCl + __ NaOH __ → __NaCl + __H₂O

Kai and Ava were observing her. Can you help them understand the correct balance?

• 2, 2, 2, 3

• 1, 2, 1, 2

• 2,6,4,1

• 1, 1, 1, 1

Tags

NGSS.MS-PS1-5

Liam, Grace, and Michael are in a chemistry lab. They are given a task to balance the following equation:

__ Na + __ NaNO₃ → __Na₂O + __N₂

They came up with different sets of coefficients. Can you tell which one is correct?

• 6, 1, 2, 5

• 10, 2, 6, 1

• 5, 3, 1, 2

• 20, 4, 12, 2

Tags

NGSS.MS-PS1-5

Ava, Noah, and Avery are working on a chemistry project where they need to balance the following equation:

__ C + __ S₈ → __ CS₂

Can you help them find the correct coefficients?

• 4, 4, 1

• 2, 2, 1

• 4, 1, 4

• 2, 1, 2

Tags

NGSS.MS-PS1-5

Arjun, Noah, and Grace are in a chemistry lab. They are given some Sodium (Na) and Oxygen (O₂) and asked to combine them to form Sodium Oxide (Na₂O). They are trying to figure out the correct ratio of Sodium to Oxygen to Sodium Oxide. Can you help them balance the equation?

__ Na + __ O₂ → __Na₂O

• 4, 1, 2

• 8, 2, 4

• 3, 2, 2

• 1, 2, 4

Tags

NGSS.MS-PS1-5

Noah, Lily, and Kai are working on a chemistry project. They are trying to balance the following chemical equation:

__ N₂ + __ O₂ → __ N₂O₅

Can you help them find the correct coefficients?

• 2, 5, 2

• 5, 2, 2

• 4, 10, 4

• 6, 3, 4

Tags

NGSS.MS-PS1-5

Ava, James, and Noah are working on a chemistry project. They are trying to balance the following equation:

__ H₃PO₄ + __ Mg(OH)₂ → __ Mg₃(PO₄)₂ + __H₂O

Can you help them find the correct coefficients?

• 6, 2, 1, 3

• 4, 4, 1, 7

• 2, 3, 1, 6

• 1, 6, 9, 4

Tags

NGSS.MS-PS1-5

William, Hannah, and Zoe are conducting a chemistry experiment. They need to balance the following equation for their experiment:

__ NaOH + __ H₂CO₃ → __ Na₂CO₃ + __ H₂O

Can you help them find the correct coefficients?

• 1, 2, 1, 2

• 4, 2, 2, 4

• 1, 3, 1, 3

• 2, 1, 1, 2

Tags

NGSS.MS-PS1-5

During a chemistry experiment, Jackson, Zoe, and Michael are trying to balance the following equation:

__ KOH + __ HBr → __ KBr + __ H₂O

Can you help them find the correct coefficients?

• 8, 8, 2, 2

• 1, 1, 1, 1

• 4, 2, 2, 4

• 2, 2, 2, 2

Tags

NGSS.MS-PS1-5