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HomeCXC CSEC Integrated ScienceAcids, Bases and Salts: Properties and Reactions
CXC · CSEC · Integrated Science

Acids, Bases and Salts: Properties and Reactions
Practice Questions

20 CXC CSEC Integrated Science questions on Acids, Bases and Salts: Properties and Reactions, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Acids, Bases and Salts: Properties and Reactions.

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Question 1 · 1 mark · Difficulty 1/3

Which of the following is the correct colour change when universal indicator is added to a solution of sodium hydroxide?

  1. Red to green
  2. Green to red
  3. Green to purple
  4. Purple to red
Show answer & explanation
✓ Answer: CGreen to purple
Award 1 mark for recognising that sodium hydroxide is a strong base with high pH (approximately 13-14), which turns universal indicator purple/violet. A is incorrect — red indicates acid. B is incorrect — this would indicate a change from neutral to acidic. D is incorrect — purple indicates a base, not an acid.
Question 2 · 1 mark · Difficulty 1/3

A student added dilute hydrochloric acid to zinc metal in a test tube. Which gas was produced?

  1. Oxygen
  2. Carbon dioxide
  3. Hydrogen
  4. Chlorine
Show answer & explanation
✓ Answer: CHydrogen
Award 1 mark for identifying that the reaction between a metal and an acid produces hydrogen gas and a salt. A is incorrect — oxygen is not produced in this reaction. B is incorrect — carbon dioxide is produced when acids react with carbonates, not metals. D is incorrect — chlorine is not produced when dilute hydrochloric acid reacts with metals.
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CXC CSEC Integrated Science: Acids, Bases and Salts: Properties and Reactions FAQ

How many CXC CSEC Integrated Science questions on Acids, Bases and Salts: Properties and Reactions are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Acids, Bases and Salts: Properties and Reactions for CXC CSEC Integrated Science, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Integrated Science?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Acids, Bases and Salts: Properties and Reactions practice with other Integrated Science topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Acids, Bases and Salts: Properties and Reactions questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Acids, Bases and Salts: Properties and Reactions typically tested on CXC CSEC Integrated Science papers?
Acids, Bases and Salts: Properties and Reactions appears across multiple question types on real CXC CSEC Integrated Science papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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