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Unit 3 Review IPC

Authored by Sofia Gomez

Science

9th Grade

NGSS covered

Used 8+ times

Unit 3 Review IPC
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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the typical number of electrons in the outer shell of a stable atom, excluding hydrogen and helium?

2

5

6

8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a chemical reaction that releases energy by light or heat

Endothermic Reaction
Exothermic Reaction
Diffusion
Fission

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

During the combustion of methane with oxygen, carbon dioxide and water are produced. If 16 g of methane reacts completely with 64 g of oxygen to yield 44 g of carbon dioxide, what is the mass of water formed?

36 g of H₂O

18 g of H₂O

72 g of H₂O

28 g of H₂O

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which factors increase the rate of a reaction.

increasing temperature
increasing concentration
increasing surface area
all of these

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider the following unbalanced chemical equations involved in the production of sulfuric acid, which can negatively impact the environment. Part #1: SO₂ + O₂ → SO₃ Part #2: SO₃ + H₂O → H₂SO₄ What is the correctly balanced equation for Part #2?

SO₃ + H₂O → H₂SO₄

2SO₃ + H₂O → 2H₂SO₄

SO₃ + 2H₂O → H₂SO₄

2SO₃ + 2H₂O → 2H₂SO₄

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The law of conservation of mass states that....

Matter can be made
Matter can be destroyed
Matter can neither be made or destroyed
Matter can evaporate

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When hydrogen peroxide (H₂O₂) is exposed to light, it breaks down into oxygen gas (O₂) and water (H₂O). 2H₂O₂ → O₂ + 2H₂O Which side of the equation shows the reactant(s) of this reaction?

The left side, H₂O₂ is a reactant

The right side, H₂O₂ is a product

The left side, O₂ and H₂O are reactants

The right side, O₂ and H₂O are products

Tags

NGSS.MS-PS1-2

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