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Year 12 Exam  >  Year 12 Test  >  Chemistry  >  Test: Acid, Bases & Salts - Year 12 MCQ

Acid, Bases & Salts - Year 12 Free MCQ Test with solutions


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16 Questions MCQ Test Chemistry for Year 12 - Test: Acid, Bases & Salts

Test: Acid, Bases & Salts for Year 12 2026 is part of Chemistry for Year 12 preparation. The Test: Acid, Bases & Salts questions and answers have been prepared according to the Year 12 exam syllabus.The Test: Acid, Bases & Salts MCQs are made for Year 12 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Acid, Bases & Salts below.
Solutions of Test: Acid, Bases & Salts questions in English are available as part of our Chemistry for Year 12 for Year 12 & Test: Acid, Bases & Salts solutions in Hindi for Chemistry for Year 12 course. Download more important topics, notes, lectures and mock test series for Year 12 Exam by signing up for free. Attempt Test: Acid, Bases & Salts | 16 questions in 40 minutes | Mock test for Year 12 preparation | Free important questions MCQ to study Chemistry for Year 12 for Year 12 Exam | Download free PDF with solutions
Test: Acid, Bases & Salts - Question 1
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Which of the following substances is classified as a base?

Detailed Solution for Test: Acid, Bases & Salts - Question 1
NaOH (Sodium hydroxide) is classified as a base because it dissociates in water to produce OH− ions. In contrast, HCl and H2SO4 are acids, while NH3 is a weak base that can accept protons in solution.
Test: Acid, Bases & Salts - Question 2
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What is the pH value of a strong acid solution, typically?

Detailed Solution for Test: Acid, Bases & Salts - Question 2
The pH value of a strong acid solution usually falls between 1 and 3. This low pH indicates a high concentration of H+ ions, which characterizes strong acids.
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Test: Acid, Bases & Salts - Question 3
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Which of the following is a synthetic indicator?

Detailed Solution for Test: Acid, Bases & Salts - Question 3
Phenolphthalein is a synthetic indicator used in titrations, whereas litmus, turmeric, and red cabbage are natural indicators that change color based on the acidity or basicity of a solution.
Test: Acid, Bases & Salts - Question 4
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What is the result of mixing hydrochloric acid (HCl) with sodium bicarbonate (NaHCO3)?
Detailed Solution for Test: Acid, Bases & Salts - Question 4
Mixing hydrochloric acid with sodium bicarbonate produces sodium chloride, water, and carbon dioxide gas, demonstrating a typical acid-base reaction.
The balanced chemical equation is: HCl + NaHCO3 → NaCl + H2O + CO2.
Test: Acid, Bases & Salts - Question 5
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What compound is produced when sodium hydroxide reacts with hydrochloric acid?
Detailed Solution for Test: Acid, Bases & Salts - Question 5
The reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) produces sodium chloride (NaCl) and water (H2O), following the neutralization reaction: NaOH + HCl → NaCl + H2O.
Test: Acid, Bases & Salts - Question 6
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When a piece of blue litmus paper is dipped in vinegar, what color change occurs?
Detailed Solution for Test: Acid, Bases & Salts - Question 6
Vinegar, which contains acetic acid, will turn blue litmus paper red, indicating its acidic nature due to the presence of H+ ions.
Test: Acid, Bases & Salts - Question 7
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What happens in a neutralization reaction?
Detailed Solution for Test: Acid, Bases & Salts - Question 7
A neutralization reaction occurs when an acid reacts with a base to produce a salt and water. The general equation is: Acid + Base → Salt + Water.
Test: Acid, Bases & Salts - Question 8
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Which of the following is a property of acids?
Detailed Solution for Test: Acid, Bases & Salts - Question 8
Acids turn blue litmus paper red, indicating their acidic properties. They typically taste sour and release H+ ions in solution.
Test: Acid, Bases & Salts - Question 9
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What is the main component of an antacid?
Detailed Solution for Test: Acid, Bases & Salts - Question 9
Magnesium hydroxide is a common active ingredient in many antacids, which help neutralize stomach acidity and provide relief from heartburn.
Test: Acid, Bases & Salts - Question 10
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What is the balanced equation for the reaction of baking soda when heated?

Detailed Solution for Test: Acid, Bases & Salts - Question 10

The balanced equation for the thermal decomposition of baking soda (sodium bicarbonate) is: 2NaHCO3 → Na2CO3 + H2O + CO2. This reaction produces sodium carbonate, water, and carbon dioxide gas.

Test: Acid, Bases & Salts - Question 11
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What is a common effect of consuming too much acid?
Detailed Solution for Test: Acid, Bases & Salts - Question 11
Consuming excessive amounts of acid can lead to acidosis, a condition where the body fluids contain too much acid, affecting bodily functions.
Test: Acid, Bases & Salts - Question 12
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How can you identify an acid using litmus paper?
Detailed Solution for Test: Acid, Bases & Salts - Question 12
Acids turn blue litmus paper red, indicating their acidic nature due to the presence of H+ ions in the solution.
Test: Acid, Bases & Salts - Question 13
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What is the significance of a pH of 7 in a solution?
Detailed Solution for Test: Acid, Bases & Salts - Question 13
A pH of 7 indicates that a solution is neutral, meaning it is neither acidic nor basic, which is the case for pure water at 25°C.
Test: Acid, Bases & Salts - Question 14
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Which reaction occurs when calcium carbonate reacts with hydrochloric acid?
Detailed Solution for Test: Acid, Bases & Salts - Question 14
The reaction between calcium carbonate (CaCO3) and hydrochloric acid (HCl) produces calcium chloride (CaCl2), water (H2O), and carbon dioxide (CO2): CaCO3 + 2HCl → CaCl2 + H2O + CO2.
Test: Acid, Bases & Salts - Question 15
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What is the chemical formula for the salt formed in the reaction between sulfuric acid and sodium hydroxide?
Detailed Solution for Test: Acid, Bases & Salts - Question 15
The salt formed from the reaction between sulfuric acid (H2SO4) and sodium hydroxide (NaOH) is sodium sulfate (Na2SO4), resulting from the neutralization reaction: H2SO4 + 2NaOH → Na2SO4 + 2H2O.
Test: Acid, Bases & Salts - Question 16
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What does the term 'alkaline' refer to in chemistry?
Detailed Solution for Test: Acid, Bases & Salts - Question 16
'Alkaline' refers to substances that have a pH greater than 7, indicating their basic nature. These substances can produce OH− ions in solution.
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