Acids & Bases Quick Quiz

14 Questions | By Mrsng | Last updated: Mar 22, 2022 | Total Attempts: 1895

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What are acids and bases? What are some properties of acids and bases?

Questions and Answers

1.

Which statement is true of all strong acids in solution?
- A.
  
  Carbon dioxide is given off when strong acids react with carbonates.
- B.
  
  Ammonia is given off when they react with ammonium salts.
- C.
  
  They produce hydrogen on reaction with any metal.
- D.
  
  They have a pH greater than 7
2.

A sample of air was bubbled into pure water. The pH of the water slowly changed from 7 to 6. Which gas in the sample caused this change?
- A.
  
  Argon
- B.
  
  Carbon dioxide
- C.
  
  Nitrogen
- D.
  
  Carbon Monoxide
3.

Dilute sulphuric acid reacts with copper (II) oxide and with copper (II) carbonate. In what way are these two reactions alike?
- A.
  
  An acid is neutralised by an alkali.
- B.
  
  A gas is produced.
- C.
  
  Water is produced.
4.

Which of the following compounds dissolves in water to give a solution with pH greater than 7?
- A.
  
  Calcium carbonate
- B.
  
  Copper (II) hydroxide
- C.
  
  Sodium hydroxide
- D.
  
  Silver chloride
5.

Four aqueous solutions have the pH values shown below. If pairs of the solutions are mixed, which pair must produce an acidic mixture?Solution P Solution Q Solution R Solution SpH: 2 6 8 10
- A.
  
  P and Q
- B.
  
  P and R
- C.
  
  P and S
- D.
  
  Q and R
6.

Under suitable conditions, hydrochloric acid reacts with each of the substances. Which reaction gives a colourless solution only?
- A.
  
  Calcium carbonate
- B.
  
  Copper (II) oxide
- C.
  
  Potassium hydroxide
7.

Which of the following substances is used to decrease the acidity in a soil?
- A.
  
  Ammonium nitrate
- B.
  
  Magnesium chloride
- C.
  
  Calcium hydroxide
- D.
  
  Potassium chloride
8.

Which of the following is a characteristic property of alkalis in aqueous solution?
- A.
  
  They liberate (give off) ammonia when reacted with ammonium salts.
- B.
  
  They liberate carbon dioxide when reacted with carbonates.
- C.
  
  They produce hydrogen with any metal.
- D.
  
  They turn Universal Indicator paper red.
9.

The pH of a solution of hydrochloric acid is 2. What will be the pH of the acid after 10g of sodium chloride is added to it?
- A.
  
  1
- B.
  
  2
- C.
  
  7
- D.
  
  9
10.

Give the formula of the ion which is produced in aqueous solution (when dissolved in water) byan alkali.
11.

State the products for the reaction between magnesium carbonate and hydrochloric acid.
12.

Alkalis are water-soluble ______.
13.

______ is the chemical reaction between hydrogen and hydroxide ions.
14.

Adding hydrochloric acid to sodium hydroxide _____ the pH value.