Class 7 Science Chapter 1 Exploring Substances: Acidic, Basic, and Neutral MCQ Practice

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Chapter 1Exploring Substances: Acidic, Basic, and Neutral
149 MCQsFocused chapter practice
DescriptionQuick chapter overview
SyllabusTopics covered clearly

Master the essentials of Exploring Substances: Acidic, Basic, and Neutral in Class 7 Science through purposeful MCQs. Connect scientific ideas with observation, reasoning and practical application and turn revision into stronger exam performance.

This chapter introduces substances as acidic, basic, or neutral. Students learn how materials show different chemical behaviour, how indicators help identify them, and how these properties appear in everyday substances and practical situations.

Sample Chapter MCQs

Showing 10 sample questions from this chapter.

01 Science
Which statement best reflects exam-level understanding of this chapter?
A Students should identify substance nature, compare indicators, and apply neutralisation in daily life situations
B Students only need to memorise the word litmus
C Students should avoid practical observation
D Students need only learn one example of an acid
02 Science
If soil becomes too acidic, farmers may add:
A vinegar
B lemon juice
C lime
D tamarind water
03 Science
Red rose extract gives green colour in acidic solutions.
A True
B False
04 Science
What is the correct observation when blue litmus is dipped in an acidic solution?
A It turns green
B It turns red
C It turns yellow
D It becomes colourless
05 Science
Basic substances generally feel:
A rough
B slippery
C sticky
D dry
06 Science
Factory waste should be released into lakes without treatment if fish are present.
A True
B False
07 Science
Which is the best reason to treat industrial waste before releasing it into a lake?
A To change the lake’s shape
B To protect aquatic organisms like fish
C To increase the number of bubbles
D To make the water taste sour
08 Science
Assertion: Red rose extract can be used as a natural indicator. Reason: It is prepared from flower petals.
A Both Assertion and Reason are true and Reason correctly explains Assertion
B Both Assertion and Reason are true but Reason does not correctly explain Assertion
C Assertion is true but Reason is false
D Assertion is false but Reason is true
09 Science
Red rose extract can act as a natural indicator.
A True
B False
10 Science
Which one of the following is basic in nature?
A Vinegar
B Soap solution
C Amla juice
D Tamarind water

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