Acids, Bases and Salts
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The pH scale and indicators
SubtopicThe pH scale and indicators under Acids, Bases and Salts for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of these ions is responsible for making a solution acidic?
A.B.C.D. - 2.
Which statement about the pH scale is correct?
A.Higher pH values mean more acidic
B.Lower pH values mean more acidic
C.pH 7 is the strongest acid
D.pH 0 is the strongest base
- 3.
What is the color of Universal Indicator in a solution of pH 2?
A.Blue
B.Green
C.Red
D.Violet
Download the worksheet for Acids, Bases and Salts - The pH scale and indicators to practice offline. It includes additional chapter-level practice questions.
Properties of acids and bases
SubtopicProperties of acids and bases under Acids, Bases and Salts for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of these will react with an acid to produce only a salt and water?
A.A metal carbonate
B.A metal hydroxide
C.A reactive metal
D.A metal sulfite
- 2.
Which of the following represents a neutral oxide?
A.B.C.D. - 3.
What color is methyl orange in a neutral solution?
A.Red
B.Orange
C.Yellow
D.Pink
Download the worksheet for Acids, Bases and Salts - Properties of acids and bases to practice offline. It includes additional chapter-level practice questions.
Types of oxides
SubtopicTypes of oxides under Acids, Bases and Salts for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which reaction represents the behavior of a basic oxide?
A.B.C.D. - 2.
The oxides of Period 3 elements change from basic to acidic. Which oxide is found in the middle of this trend and is amphoteric?
A.Sodium oxide
B.Magnesium oxide
C.Aluminum oxide
D.Silicon dioxide
- 3.
Which of the following oxides will NOT react with dilute sulfuric acid?
A.Magnesium oxide
B.Carbon dioxide
C.Copper(II) oxide
D.Zinc oxide
Download the worksheet for Acids, Bases and Salts - Types of oxides to practice offline. It includes additional chapter-level practice questions.
Preparation of soluble and insoluble salts
SubtopicPreparation of soluble and insoluble salts under Acids, Bases and Salts for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
If you react an excess of copper(II) carbonate with dilute nitric acid, what is the first step to obtain a solution of copper(II) nitrate?
A.Evaporation
B.Titration
C.Filtration
D.Crystallization
- 2.
Which acid should be used to prepare magnesium sulfate ()?
A.Hydrochloric acid
B.Nitric acid
C.Sulfuric acid
D.Phosphoric acid
- 3.
When preparing silver chloride, the mixture is filtered. Where is the silver chloride located after filtration?
A.In the filtrate
B.On the filter paper as the residue
C.Dissolved in the water in the beaker
D.It has evaporated
Download the worksheet for Acids, Bases and Salts - Preparation of soluble and insoluble salts to practice offline. It includes additional chapter-level practice questions.
Identification of ions and gases (Qualitative analysis)
SubtopicIdentification of ions and gases (Qualitative analysis) under Acids, Bases and Salts for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
A gas is evolved during a reaction that has a choking smell and is acidic. It turns acidified potassium manganate(VII) from purple to colorless. What is the gas?
A.B.C.D. - 2.
Which ion forms a green precipitate with sodium hydroxide that dissolves in excess to form a green solution?
A.B.C.D. - 3.
A solution contains an unknown anion. Adding barium nitrate and nitric acid produces a white precipitate. Which ion is present?
A.Carbonate
B.Sulfate
C.Chloride
D.Iodide
Download the worksheet for Acids, Bases and Salts - Identification of ions and gases (Qualitative analysis) to practice offline. It includes additional chapter-level practice questions.