Science-Class 7 (CBSE/NCERT)-Chapter 5 - Acids, Bases and Salts - Questions and Answers/Notes/Worksheets – 1
Tags: Class VII - Acids, Bases and Salts, CBSE Grade 7 Science Acids, Bases and Salts, Science - Class 7- Acids, Bases and Salts, NCERT Solutions for Class 7th: Ch 5 Acids, Bases and Salts, Class 7 CBSE Science Acids, Bases and Salts, CBSE class 7 science Acids, Bases and Salts, Grade 7 –Science - CBSE / NCERT – Acids, Bases and Salts Question Bank for seventh class, Question and Answers free worksheet PDF on Acids, Bases and Salts, Practice page and Important question and Extra question on Acids, Bases and Salts for seventh standard, State true and false, Fill in the blanks on Acids, Bases and Salts for 7th standard, What is acid rain? Which acid naturally present in our stomach? What is the role of hydrochloric acid in the stomach? Which acid is present in an ant sting? What is the nature of soap solution? What is the nature of distilled water? State the nature of baking soda. Where does the word acid come from? Why curd, lemon juice, orange juice and vinegar taste sour? Which is the most commonly used natural indicator? Tom rubs a solution between fingers and feels soapy, what is the nature of that solution? Name the acid which is present in each cell of our body. When red litmus paper is dipped in a solution; it remains red, what is the nature of the solution? What are the effects of acid rain? What does organic matter do in soil? Why solid baking soda does not change colour of dry litmus paper? How acidic soil can be treated? What are salts? Give example. What is the role of DNA in the cell the human body?