Chemical and Physical Changes 7th - 8th Grade Quiz

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20 questions

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1.

MULTIPLE CHOICE

1 min • 1 pt

Sodium Hydroxide dissolves in water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE

45 sec • 1 pt

Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE

1 min • 1 pt

A pellet of sodium is sliced in two

Tags

NGSS.MS-PS1-4

4.

MULTIPLE CHOICE

1 min • 1 pt

Water is heated and changed to steam.

Tags

NGSS.MS-PS1-4

5.

MULTIPLE CHOICE

45 sec • 1 pt

Potassium chlorate decomposes to potassium chloride and oxygen gas.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE

1 min • 1 pt

Iron rusts.

Tags

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE

45 sec • 1 pt

When placed in H₂0, a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms.

Tags

NGSS.MS-PS1-2

8.

MULTIPLE CHOICE

1 min • 1 pt

Evaporation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

9.

MULTIPLE CHOICE

1 min • 1 pt

Ice Melting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

10.

MULTIPLE CHOICE

1 min • 1 pt

Milk Sours

Tags

NGSS.MS-PS1-2

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