Final Assessment: Acids, Bases And Salts

Check readiness for Acids, Bases and Salts

ScienceGrade 7Mixed24 questions36 min

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Inside this assignment

First 4 questions from the learning flow.

Explorer question style

Section A: Concepts and Classification · 6 questionsSection B: Litmus and Neutralisation · 6 questionsSection C: Daily Life and Safety · 6 questionsSection D: Reasoning Challenge · 6 questions

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Section A: Concepts and Classification

Review acids, bases, neutral substances and indicators.

Choose the best answer for each question.

Question 1

EasyQuestion

Which set contains only acidic substances commonly discussed in Grade 7?

Topic: Acids and Bases · Skill: Identify acidic, basic and neutral substances

Question 2

EasyQuestion

Litmus is called an indicator because it:

Topic: Indicators · Skill: Explain how indicators detect acids and bases

Question 3

EasyQuestion

Red litmus remains red in solution A. Blue litmus turns red in solution A. What is A?

Topic: Litmus Tests · Skill: Interpret colour changes of red and blue litmus

Question 4

MediumQuestion

Which word equation correctly represents neutralisation?

Topic: Neutralisation · Skill: Explain neutralisation as acid-base reaction forming salt and water

What this assignment covers

A full chapter assessment covering classification, indicators, litmus, neutralisation, salts, safety and reasoning.

Skills and sections

Identify acidic, basic and neutral substances, Explain how indicators detect acids and bases, Interpret colour changes of red and blue litmus, Explain neutralisation as acid-base reaction forming salt and water, Apply neutralisation in daily life

Section A: Concepts and Classification: 6 questions
Section B: Litmus and Neutralisation: 6 questions
Section C: Daily Life and Safety: 6 questions
Section D: Reasoning Challenge: 6 questions