Acids and Bases

The pH Scale

Subtopic

The pH Scale under Acids and Bases for Grade 9 IB.

Preview questions (no answers)

1.
$Which substance is likely to be found at pH 14?$
A. $Concentrated sodium hydroxide$
B. $Concentrated hydrochloric acid$
C. $Pure water$
D. $Vinegar$
2.
$Which of the following is a common property of acids?$
A. $pH above 7$
B. $Feel slippery$
C. $Turn blue litmus red$
D. $Taste bitter$
3.
$A solution turns pink when phenolphthalein is added. Its pH is likely to be:$
A. $2$
B. $5$
C. $7$
D. $11$

Download the worksheet for Acids and Bases - The pH Scale to practice offline. It includes additional chapter-level practice questions.

Properties of Acids and Bases

Subtopic

Properties of Acids and Bases under Acids and Bases for Grade 9 IB.

About Topic & Revision

Preview questions (no answers)

1.
$Which acid is found in 'fizzy' carbonated drinks?$
A. $Hydrochloric acid$
B. $Nitric acid$
C. $Carbonic acid$
D. $Sulfuric acid$
2.
$What is the pH of a solution that turns Universal Indicator dark red?$
A. $pH 1$
B. $pH 7$
C. $pH 9$
D. $pH 13$
3.
$The term 'alkali' specifically refers to a base that:$
A. $Is very strong$
B. $Is solid at room temperature$
C. $Dissolves in water$
D. $Has a pH of 7$

Download the worksheet for Acids and Bases - Properties of Acids and Bases to practice offline. It includes additional chapter-level practice questions.

Neutralization Reactions

Subtopic

Neutralization Reactions under Acids and Bases for Grade 9 IB.

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Preview questions (no answers)

1.
$HCl + NaOH \rightarrow NaCl + H_{2}O$
A. $HCl$
B. $NaOH$
C. $NaCl$
D. $H_{2}O$
2.
$What is the common property of all salts?$
A. $They are all liquid at room temperature$
B. $They are ionic compounds$
C. $They all taste sweet$
D. $pH$
3.
$Which of the following is a neutral substance?$
A. $Pure water$
B. $Lemon juice$
C. $Soap$
D. $Hydrochloric acid$

Download the worksheet for Acids and Bases - Neutralization Reactions to practice offline. It includes additional chapter-level practice questions.

Indicators

Subtopic

Indicators under Acids and Bases for Grade 9 IB.

About Topic & Revision

Preview questions (no answers)

1.
$What is the primary advantage of Universal indicator over litmus paper?$
A. $It is cheaper to buy$
B. $It can show the strength of the acid or base$
C. $It works faster$
D. $It never changes color$
2.
$pH$
A. $2$
B. $4$
C. $7$
D. $10$
3.
$pH$
A. $Red$
B. $Green$
C. $Blue$
D. $Violet$

Download the worksheet for Acids and Bases - Indicators to practice offline. It includes additional chapter-level practice questions.

The pH Scale

❓Preview questions (no answers)

Properties of Acids and Bases

❓Preview questions (no answers)

Neutralization Reactions

❓Preview questions (no answers)

Indicators

❓Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

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