Exploring Substances: Acidic, Basic, and Neutral — Practice Quiz
CBSE · Class 7 · Science
Try a 4-question quiz on Exploring Substances: Acidic, Basic, and Neutral for CBSE Class 7 Science: tap an answer to check it and see why.
Interactive on Super Tutor
Studying Exploring Substances: Acidic, Basic, and Neutral? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for practice quiz and more.
Free trial, no card needed.
Quick Quiz: Exploring Substances: Acidic, Basic, and Neutral
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What happens to blue litmus paper when it is dipped in lemon juice?
Litmus is obtained from which natural source?
What is the taste of acidic substances?
Red rose extract turns green in which type of solution?
Sample Questions
Which of the following substances are basic in nature?
Show answer
Soap solution, Lime water, Baking soda solution
Soap solution, lime water, and baking soda solution are all basic substances. They turn red litmus paper to blue and feel slippery to touch. Vinegar and lemon juice are acidic.
Which of the following are natural indicators?
Show answer
Turmeric, Red rose petals, Litmus, Purple cabbage
Turmeric, red rose petals, litmus, and purple cabbage are all natural indicators that can show different colors in acidic and basic solutions. Plastic strips are not natural indicators.
What happens when an acid is mixed with a base?
Show answer
Neutralization occurs
When an acid is mixed with a base in proper amounts, neutralization occurs. This reaction produces salt and water, along with evolution of heat.
Turmeric paper turns red in which type of solution?
Show answer
Basic solution only
Turmeric paper turns red only in basic solutions. It remains yellow in both acidic and neutral solutions, so it cannot distinguish between acids and neutral substances.
+40 more questions on Exploring Substances: Acidic, Basic, and Neutral (CBSE Class 7 Science)
Practise AllFrequently Asked Questions
What are the important topics in Exploring Substances: Acidic, Basic, and Neutral for CBSE Class 7 Science?
How many practice questions are there for Exploring Substances: Acidic, Basic, and Neutral?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Exploring Substances: Acidic, Basic, and Neutral
Important Questions
Exam-style questions with answers
Revision Notes
Key points for last-minute revision
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Exploring Substances: Acidic, Basic, and Neutral chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 7 Science. Free to start, no card needed.