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Acids and Bases Trivia Quiz

A quiz about acids and bases. Let's see how much you can remember of those school chemistry lessons.

A multiple-choice quiz by rlhouse. Estimated time: 4 mins.

Author
rlhouse

Time
4 mins

Type
Multiple Choice

Quiz #
256,873

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
9657

Last 3 plays: Guest 223 (4/10), Guest 35 (7/10), Guest 217 (4/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What colour is methyl orange in alkali conditions? Hint

Yellow

Red

Orange

Blue

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Question 2 of 10

2. Why is universal indicator a better indicator to use than litmus indicator? Hint

Litmus indicator can only be used for acids.

Universal indicator gives the pH of the solution.

Universal indicator goes green if something is neutral.

Litmus indicator can only be used for alkalis.

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Question 3 of 10

3. Which of the following substances when mixed together will produce table salt (sodium chloride)? Hint

Sodium thiosulphate and sulpur dioxide.

Hydrochloric acid and sodium hydroxide.

Chlorine and oxygen.

Nitric acid and sodium hydrogen carbonate.

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Question 4 of 10

4. What colour would hydrochloric acid (pH 1) turn universal indicator? Hint

Purple

Orange

Red

Yellow

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Question 5 of 10

5. If I react magnesium with hydrochloric acid, what gas is produced? Hint

No gas is produced

Carbon dioxide

Hydrogen

Oxygen

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Question 6 of 10

6. Which of the following is the most accurate way of showing neutralisation? Hint

Acid + base ------> neutral solution

Acid + base ------> salt + water

Acid + base ------> sodium chloride + hydrogen

There is no reaction between acids and bases

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Question 7 of 10

7. What are the products, if a reaction occurs between nitric acid and sodium hydroxide? Hint

Sodium nitrate + water

Sodium nitrate + hydrogen

Sodium hydrogenate + water

No reaction

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Question 8 of 10

8. Aluminium will react with Hydrochloric acid. What are the products of this reaction? Hint

No reaction

Aluminium chloride + hydrogen

Hydrogen chloride + aluminium

Aluminium + hydrogen

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Question 9 of 10

9. What are the products when silver reacts with dilute sulphuric acid? Hint

Silver sulphate + hydrogen

Silver sulphide + hydrogen

Silver sulphate + water

Silver doesn't react with dilute sulphuric acid.

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Question 10 of 10

10. If a base will dissolve in water, by what name is it better known? Hint

Alkali

Acid

Neutralisation

Basic

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Dec 18 2024 : Guest 223: 4/10
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Nov 14 2024 : Guest 58: 5/10
Nov 14 2024 : Guest 106: 8/10
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Score Distribution

Quiz Answer Key and Fun Facts

1. What colour is methyl orange in alkali conditions?

Answer: Yellow

Methyl orange is one of the indicators commonly used in titrations. In an alkaline solution, methyl orange is yellow. In a solution becoming less acidic, methyl orange moves from red to orange and finally to yellow with the reverse occurring for a solution increasing in acidity. It should be noted that the entire color change occurs in acidic conditions.

2. Why is universal indicator a better indicator to use than litmus indicator?

Answer: Universal indicator gives the pH of the solution.

Universal indicator gives a range of colours that can be used to determine the pH of a solution. Litmus can only tell you whether something is acid alkali or neutral.

3. Which of the following substances when mixed together will produce table salt (sodium chloride)?

Answer: Hydrochloric acid and sodium hydroxide.

Hydrochloric acid + sodium hydroxide -----> sodium chloride + water

4. What colour would hydrochloric acid (pH 1) turn universal indicator?

Answer: Red

Strong acids turn universal indicator red. Weaker ones may turn it orange or yellow.

5. If I react magnesium with hydrochloric acid, what gas is produced?

Answer: Hydrogen

If you react a metal with an acid the gas given off is always hydrogen.

6. Which of the following is the most accurate way of showing neutralisation?

Answer: Acid + base ------> salt + water

An acid and base react together and produce a salt and water.

7. What are the products, if a reaction occurs between nitric acid and sodium hydroxide?

Answer: Sodium nitrate + water

Nitric acid + sodium hydroxide ----> sodium nitrate + water.

8. Aluminium will react with Hydrochloric acid. What are the products of this reaction?

Answer: Aluminium chloride + hydrogen

You can test for the hydrogen by igniting a small amount producing a squeaky pop.

9. What are the products when silver reacts with dilute sulphuric acid?

Answer: Silver doesn't react with dilute sulphuric acid.

Silver is an unreactive metal and would not react with acids, as it is less reactive than hydrogen.

10. If a base will dissolve in water, by what name is it better known?

Answer: Alkali

Most bases are not soluble, but if they are, they are referred to as alkalis.

Source: Author rlhouse

This quiz was reviewed by FunTrivia editor crisw before going online.
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