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Chemical Interactions I-check 9

Authored by Nate Ziemer

Science

7th - 8th Grade

NGSS covered

Used 209+ times

Chemical Interactions I-check 9
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What happens in a chemical reaction?

Atoms from the reactants rearrange and form new substances

Atoms from the products rearrange and form new reactants

New atoms appear in the reactants

Atoms from the reactants dissappear

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist prepared a closed container for a chemical reaction. She poured two liquids into the bottle and quickly closed the bottle with the balloon stopper. The mixture bubbled and the balloon began to inflate. Explain why the balloon inflated.

New substances formed particles that are bigger than the ones before.

The liquids reacted together and created more matter

A new gas was created and the gas took up more space

The scientist did not seal the system fast enough and more air got in.

Tags

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Look at the image: The different-shaded circles represent different kinds of atoms. When circles are touching, they indicate that those atoms make up one molecule. Which of them represents a possible chemical reaction?

Reaction A

Reaction B

Reaction C

Reaction D

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the chemical equation for the molecule in the image.

O34

ZnClOH

ZCOH

C8H16OZN

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many atoms are in this formula in the picture?

1

2

3

4

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many elements are in the formula in the image?

1

2

3

4

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the Chemical Formula for the image?

ZNCOH

ZnClOH

C2H6O

C12H6O4

Tags

NGSS.MS-PS1-1

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