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Acid and Base (Year 9 Recap)

Authored by Jarrod Bye

Science

9th Grade

Used 1+ times

Acid and Base (Year 9 Recap)
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7 questions

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1.

MATCH QUESTION

1 min • 1 pt

Match the term with the definition

Alkali

A base soluble in water

Solution

form a mixture when dissolved in water

Corrosive

A feature such as colour, size, weight, texture or hardness

Property

damage or destroy other substances through chemical reactions

Neutral Substance

Any substance that is neither an acid nor a base

2.

CATEGORIZE QUESTION

3 mins • 1 pt

Match the following with the type of substance.

Groups:

(a) Acid

,

(b) Neutral

,

(c) Base

Sugar solution

Not corrosive

Tastes sour

Corrosive

Vinegar

Distilled Water

Salt Water

Called an alkali when dissolved

Caustic

Baking Soda (Sodium bicarbonate)

Taste bitter

Soap

Lemon

Reacts with metals

3.

MATCH QUESTION

1 min • 1 pt

Match the pH with the appropriate description.

1

Neutral

8

Strong acid

6

Weak acid

7

Strong Base

14

Weak Base

4.

MATCH QUESTION

1 min • 1 pt

Match the pH with the appropriate description.

1

Most H+ ions

14

Most OH- ions

7

Equal H+ and OH- ions

5.

DRAG AND DROP QUESTION

1 min • 1 pt

  • Acids release ​ (a)   ions in solution. They have the formula ​ (b)   .

  • Bases release ​ (c)   ions in solution. They have the formula ​ (d)   .

hydrogen
hydroxide
H+
OH–

6.

MATCH QUESTION

1 min • 1 pt

Match the term to the definition.

neutralization

a substance that changes colour in the presence of an acid or a base

salt

an ionic substance (e.g. NaCl)

pH

A value that indicates the amount of H+ ions

Indicator

The reaction between an acid and base that forms water and a salt.

7.

DRAG AND DROP QUESTION

1 min • 1 pt

water
salt
hydrogen
carbon dioxide
oxygen

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