Science test 4/26-27

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What does decomposition look like?

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37 Terms

1

What does decomposition look like?

AB>A+B

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2

What does single replacement look like?

Ab+C>AC+B

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3

What does double replacement look like?

AB+CD>AB+BD

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4

What does synthesis look like?

A+B>AB

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5

What does F stand for?

Fizz

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6

What does A stand for?

Aroma

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7

What does C stand for?

Color change

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8

What does T stand for?

Temperature change

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9

What do the Ss stand for?

New substance and solids

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10

What pH range means acid?

1-6

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11

What pH range means base?

8-14

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12

Blue to red means?

Acid

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13

Red to blue means?

Base

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14

What do acids taste like?

Sour

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15

What do bases taste like?

Bitter

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16

Examples of acids?

Fruits and milks

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17

Examples of bases?

Cleaners and baked goods

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18

What is an example of acid + base?

Water + salt

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19

What is H+?

Acid

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20

What is OH-?

Base

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21

What does endothermic mean?

Heat going into cold

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22

What does exothermic mean?

Heat leaving heat

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23

What is the law of Conservation of Mass?

Elements of one side appear on the other side, they can be measured in closed systems.

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24

Does color change always mean a chemical change occurred?

No

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25

Properties of hydrogen are…

-Explodes w/ flame

-Colorless and odorless

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26

Properties of oxygen…

-Makes fires stronger

-Colorless and odorless

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27

Properties of acetylene..

-Burns w/oxygen

-Colorless

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28

Properties of carbon dioxide…

-Kills fires

-Colorless and odorless

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29

What is considered a strong acid?

1-4 pH

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30

What is considered a strong base?

12-14 pH

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31

What does pH measure?

Power of hydrogen

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32

What do catalysts do?

Speed up chemical reactions

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33

What does aqueous mean?

Mainy watery substance

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34

What does it mean when phenolphthalein turns pink?

Basic

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35

What color does methyl orange paper turn as a base?

Yellow

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36

What color does methyl orange paper turn as an acid?

Red/pink

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37

What is neutralization?

A reaction between a base and acid which forms water and salt.

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