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Acid and Base (Year 9 Recap)

Authored by Jarrod Bye

Science

9th Grade

Used 2+ 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

Solution

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

Corrosive

damage or destroy other substances through chemical reactions

Property

Any substance that is neither an acid nor a base

Alkali

form a mixture when dissolved in water

Neutral Substance

A base soluble in water

2.

CATEGORIZE QUESTION

3 mins • 1 pt

Match the following with the type of substance.

Groups:

(a) Acid

,

(b) Neutral

,

(c) Base

Vinegar

Salt Water

Distilled Water

Caustic

Reacts with metals

Soap

Lemon

Taste bitter

Not corrosive

Sugar solution

Tastes sour

Corrosive

Called an alkali when dissolved

Baking Soda (Sodium bicarbonate)

3.

MATCH QUESTION

1 min • 1 pt

Match the pH with the appropriate description.

7

Strong acid

8

Weak acid

6

Neutral

1

Strong Base

14

Weak Base

4.

MATCH QUESTION

1 min • 1 pt

Match the pH with the appropriate description.

7

Most H+ ions

14

Equal H+ and OH- ions

1

Most 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.

Indicator

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

pH

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

neutralization

A value that indicates the amount of H+ ions

salt

an ionic substance (e.g. NaCl)

7.

DRAG AND DROP QUESTION

1 min • 1 pt

acid + base →\rightarrow ​ (a)   + ​ (b)  
acid + metal →\rightarrow salt + ​ (c)  
acid + carbonate →\rightarrow salt + water + ​ (d)  

water
salt
hydrogen
carbon dioxide
oxygen

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