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Acids, Bases and Salts Class 7 Science NCERT
Master acids, bases, and indicators: identify, neutralize, and apply their reactions safely in everyday and lab scenarios.
#1 Most Popular Online Course & Internship in Teaching & Academics You can enroll today & get certified from EasyShiksha & HawksCode.
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Updated April 13, 2026
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See exactly what separates EasyShiksha students from everyone else
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Watching scattered YouTube
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employers
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resume
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direction
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applications
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This Course is Perfect For
Whether you're starting from scratch or switching careers — this course is designed with your success in mind.
College Students
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Complete Beginners
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What You'll Achieve After This Course
Learn the fundamental properties of acids, bases, and salts
Conduct practical experiments to identify acids and bases in solutions
Apply indicators to test and classify unknown substances effectively
Use litmus and turmeric papers to observe chemical reactions safely
Develop strategies to explain neutralization in real-world scenarios
Perform project-based experiments demonstrating acid-base reactions and outcomes
Complete a capstone project analyzing everyday chemicals and their effects
Gain skills and certificate for Class 7 science practical understanding
Why Students Choose This Course & Internship
Beginner Friendly
No prior experience needed. We start from absolute zero
and take you to job-ready.
Practical Learning
Apply what you learn through guided exercises and real-world activities designed to build confidence.
Exclusive
Internship Included
Official offer letter + internship certificate. Something most
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Affordable Pricing
Premium content at a student-friendly price. Zero risk with
30-day money-back guarantee.
Lifetime Access
Pay once, access forever. Revisit any lesson, any time, on any
device — no expiry.
Interview Prep
Dedicated module with real JS interview questions asked in top
company placements.
Course Description
Q. 1. State differences between acids and bases.
Q.2. Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Q.3. Name the source from which litmus solution is obtained. What is the use of this solution?
Q.4. Is the distilled water acidic/basic/neutral? How would you verify it?
Q.5 Describe the process of neutralization with the help of an example.
6. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Nitric acid turns red litmus blue. (T/F)
(ii) Sodium hydroxide turns blue litmus red. (T/F)
(iii) Sodium hydroxide and hydrochloric acid neutralize each other and form salt and water. (T/F)
(iv) Indicator is a substance which shows different colors in acidic and basic solutions. (T/F)
(v) Tooth decay is caused by the presence of a base. (T/F)
Q.7.Dorji has a few bottles of soft drinks in his restaurant. But, unfortunately, these are not labeled. He has to serve the drinks on the demand of customers. One customer wants an acidic drink, another wants a basic one and the third one wants a neutral drink. How will Dorji decide which drink is to be served to whom?
Q.8. Explain why:
(a) An antacid tablet is taken when you suffer from acidity.
(b) Calamine solution is applied on the skin when an ant bites.
(c) Factory waste is neutralized before disposing it into the water bodies.
Q. 9. Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only a turmeric indicator.
Q. 10. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
Q.11. Consider the following statements:
(a) Both acids and bases change the color of all indicators.
(b) If an indicator gives a color change with an acid, it does not give a change with a base.
(c) If an indicator changes color with a base, it does not change color with an acid.
(d) Change of color in an acid and a base depends on the type of the indicator.
Which of these statements are correct?
(i) All four (ii) a and d (iii) b, c, and d (iv) only d
Q.8. Explain why:
(a) An antacid tablet is taken when you suffer from acidity.
(b) Calamine solution is applied on the skin when an ant bites.
(c) Factory waste is neutralized before disposing it into the water bodies.
Q. 9. Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only a turmeric indicator.
Q. 10. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
Q.11. Consider the following statements:
(a) Both acids and bases change the color of all indicators.
(b) If an indicator gives a color change with an acid, it does not give a change with a base.
(c) If an indicator changes color with a base, it does not change color with an acid.
(d) Change of color in an acid and a base depends on the type of the indicator.
Which of these statements are correct?
(i) All four (ii) a and d (iii) b, c, and d (iv) only d
Course Content
Preview these lessons before enrolling — 2 free lessons
included
5 lessons
Introduction
FREE
Differences between acids and bases, Nature of ammonia & distilled water, litmus
FREE
🔓 Free Preview Ends Here
Process of neutralisation with example and some true false questions
How differentiate between acidic, basic and neutral drink. Antacid tablet etc.
To identify hydrochloric acid, sodium hydroxide & sugar solution with turmeric
Everything You Get
One-time payment. Everything included. No hidden fees.
Full Course Access
6 on-demand video lessons — watch anytime, any device
Official Internship
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2 Certificates
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Including all future updates at no extra cost
Projects & Assignments
Real-world skills to build your portfolio
Interview Prep Materials
Top interview questions with model answers
Your Journey After Enrollment
1
Step 1
Start Learning Instantly
Get instant access to your course. Begin with fundamentals and structured lessons designed for beginners.
2
Step 2
Build Strong Concepts
Learn core concepts with easy explanations and practical examples step-by-step.
3
Step 3
Apply Your Skills
Work on real-world tasks and projects to gain hands-on experience.
✓
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Missing this = losing the internship credential Missing this = losing your early-access advantage Missing this = falling behind candidates who did enrollWhat Exactly Do You Get?
Everything Included — Crystal Clear
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Full Course Access
6 structured video lessons, available instantly after payment, forever
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2 Verified Certificates
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Concept Reinforcement
Understand topics with guided learning
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No judgement. These are the most common doubts students have — and why they don't matter.
"I have zero prior experience"
This course starts from absolute zero. Thousands of beginners have completed it.
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This is built specifically for students. The internship gives you the resume boost you need before graduation or first job applications.
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Lifetime access means you go at your own pace — 30 minutes a day is enough. No deadlines, no pressure, no expiry.
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Support is available. Reach out via our help centre and get guidance. You're never stuck alone in this programme.
Chat with us first →Frequently Asked Questions
Is the course 100% online? Does it require any offline classes too?
The following course is fully online, and hence there is no need for any physical classroom session. The lectures and assignments can be accessed anytime and anywhere through a smart web or mobile device.
When can I start the course?
Anyone can choose a preferred course and start immediately without any delay.
What are the course and session timings?
As this is a purely online course program, you can choose to learn at any time of the day and for as much time as you want. Though we follow a well-established structure and schedule, we recommend a routine for you as well. But it finally depends on you, as you have to learn.
What will happen when my course is over?
If you have completed the course, you would be able to have lifetime access to it for future reference too.
Can I download the notes and study material?
Yes, you can access and download the content of the course for the duration. And even have lifetime access to it for any further reference.
What software/tools would be needed for the course and how can I get them?
All the software/tools that you need for the course would be shared with you during the training as and when you need them.
Do I get the certificate in a hard copy?
Yes. A hard copy of the certificate will be issued and sent to the registered address via post. In addition, a soft copy of the certificate will also be provided, which can be downloaded for digital use.
I’m unable to make a payment. What to do now?
You can try to make the payment through a different card or account (maybe a friend or family). If the problem persists, email us at info@easyshiksha.com
The payment got deducted, but the updated transaction status is showing “failed”. What to do now?
Due to some technical faults, this can happen. In such a case the amount deducted will be transferred to the bank account in the next 7-10 working days. Normally the bank takes this much time to credit the amount back into your account.
The payment was successful but it still shows ‘Buy Now’ or not showing any videos on my dashboard? What should I do?
At times, there may be a slight delay in your payment reflecting on your EasyShiksha dashboard. However, if the problem is taking longer than 30 minutes, please let us know by writing to us at info@easyshiksha.com from your registered email id, and attach the screenshot of the payment receipt or transaction history. Soon after verification from the backend, we will update the payment status.
What is the refund policy?
If you have enrolled, and are facing any technical problem then you can request a refund. But once the certificate has been generated, we shall not refund that.
Can I just enrol in a single course?
Yes! You surely can. To begin this, just click the course of your interest and fill in the details to enrol. You are ready to learn, once the payment is made. For the same, you earn a certificate too.
My questions are not listed above. I need further help.
Please contact us at: info@easyshiksha.com
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Letter of Appreciation (LOA)
Internship Attendance Report
Internship Evaluation Report
Internship Certificate Hard Copy
Project Report Assitance
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Acids, Bases and Salts Class 7 Science NCERT
⭐ 4.9 | 50+ enrolled this week | Includes Internship
Includes Internship
Course + Internship + Certificates included
