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Chemical Equations & Solutions

Authored by Jacklynn Prewitt

Chemistry

8th - 10th Grade

NGSS covered

Used 38+ times

Chemical Equations & Solutions
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The law of conversation of mass states...

Mass can be created but never destroyed

Mass can't be created or destroyed

Mass is dependent on matter

Mass can't be created but is destroyed in chemical reactions

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

knowing the law of conversation of mass, which of the following is true?

Mass can be lost to the environment

Mass is rearranged in chemical reactions

Mass is relative

Mass is only conserved in physical changes

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A student is balancing an equation in her chemistry class. What fact is she using to check her work?

The number of atoms on each side of the reaction arrow must be the same.

The number of molecules on each side of the reaction arrow must be the same.

The number of letters on each side of the reaction arrow must be the same.

The number of atoms on each side of the reaction arrow must be different.

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Balanced

Unbalanced

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemical reaction takes place in a sealed container. Which of the following must be the same after the reaction has finished?

Color

Shape

State of Matter

Mass

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An unknown element loses an electron to become positive and then bonds to a relatively negative element. The two elements have created

A covalent polar bond

A covalent nonpolar bond

An ionic bond

A metallic bond

Tags

NGSS.HS-PS1-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An unknown element is located in group 13. This element wants to...

Gain electrons

Lose electrons

Lose protons

Gain neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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