Acids & Bases Quick Quiz
(308).jpg "Acids & Bases Quick Quiz")
What are acids and bases? What are some properties of acids and bases?
- 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.
Questions: 9 | Attempts: 17534 | Last updated: Feb 23, 2021
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