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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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