Acids, Bases and Salts
Science · Grade 6 · Week 28 · 25 questions
Acids, bases, and salts are fundamental categories of chemicals that interact in important ways. Understanding their properties and reactions is essential for chemistry and has practical applications in everyday life.
What you'll practise
- Identify acids, bases, and their properties
- Use indicators to test pH levels
- Understand neutralisation reactions
- Describe the formation and uses of salts
All 25 questions in this Acids, Bases and Salts quiz
Grade 6 Science — Acids, Bases and Salts: 25 practice questions with instant scoring and explanations.
- Which of these is a natural acid indicator?
- What colour does red litmus paper turn when dipped in a basic solution?
- Lemon juice is acidic because it contains which acid?
- Which of these is a base?
- When an acid reacts with a base, the process is called...
- What is the product of neutralisation between an acid and a base?
- Vinegar contains which acid?
- Turmeric paste turns yellow when exposed to:
- Sodium hydroxide is a strong...
- What does litmus indicator come from?
- An antacid is used to neutralise excess...
- Which of these is a salt?
- Milk has a pH closer to:
- When blue litmus paper is dipped in an acidic solution, it turns...
- Common salt (NaCl) is formed by the reaction between...
- Soap is made by reacting an oil with a...
- Which indicator changes from blue to red in an acidic solution?
- pH scale ranges from:
- A solution with pH 8 is:
- Taste alone is a safe way to identify if a substance is acidic or basic:
- Baking soda (sodium bicarbonate) when mixed with vinegar produces:
- Which of these is used as an antacid?
- Calamansi juice used in cooking is...
- When a base is added to an excess of acid, the solution becomes...
- Phenolphthalein turns pink/magenta in the presence of...
Question 1 of 250 correct so far