SEBA Class 7 Science Important Chapter 5 Acids, Bases and Salts

SEBA Class 7 Science Important Chapter 5 Acids, Bases and Salts Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 General Science Additional Solutions and select need one. SCERT Important Solutions For Class 7 General Science Download PDF. Important Notes for Class 7 Science SCERT.

SEBA Class 7 Science Important Chapter 5 Acids, Bases and Salts

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam SEBA Board Class 7 Science Additional Question Answer are part of All Subject Solutions. Here we have given SCERT Class 7 General Science Important Notes for All Chapters, You can practice these here.

Acids, Bases and Salts

Chapter: 5

IMPORTANT QUESTION ANSWER

A. Short Type Questions & Answers:

1. Name two substances that taste sour.

Ans: Lemon juice, Vinegar.

2. Which acid is found in curd?

Ans: Lactic acid.

3. What is the chemical nature of baking soda?

Ans: Basic.

4. Name a natural indicator obtained from lichens.

Ans: Litmus.

5. What is the color of turmeric in basic solution?

Ans: Red.

6. What are neutral substances? Give one example.

Ans: Substances that are neither acidic nor basic. Example: Sugar solution.

7. What is the function of antacids?

Ans: To neutralise excess acid in the stomach.

8. What happens to blue litmus in acid?

Ans: It turns red.

9. Which base is used in soap making?

Ans: Sodium hydroxide.

10. What is formed during a neutralisation reaction?

Ans: Salt and water, with heat.

B. Fill in the Blanks:

1. Acids turn __________ litmus paper red.

Ans: Blue.

2. Turmeric paper turns __________ in basic solutions.

Ans: Red.

3. Baking soda is a __________ substance.

Ans: Basic.

4. The acid present in vinegar is __________.

Ans: Acetic acid.

5. China’s rose indicator turns __________ in acidic solutions.

Ans: Pink.

C. True or False: 

1. Vinegar is bitter in taste.

Ans: False.

2. China rose turns green in basic solution.

Ans: True.

3. Common salt solution is a neutral substance.

Ans: True.

4. All acids are harmful and man-made.

Ans: False.

5. Litmus paper is made from turmeric.

Ans: False.