CLASS 7 Chapter 5 Acids, Bases and Salts

Short answer type questions

 

Question 1. Make a table of substance showing which substances taste sour, bitter and sweet.

Question 2. Which substances contain acids?

Question 3. Which substances are basic in nature?

Question 4. Difference between acids and bases.

Question 5. What are indicators?

Question 6. How litmus solution is obtained. Name two natural indicators.

Question 7. What are neutral solutions? Give two examples.

Question 8. In which colours litmus papers are available?

Question 9. Why it is important to neutralize factory waste before disposing of it in water.

Long answer type question

 

Question 1. How litmus paper shows whether the given solution is basic, acid or neutral?

Question 2. How would you use turmeric as an indicator?

Question 3. What is the effect of China rose indicator on acidic, basic and solution?

Question 4. Explain the process of neutralization.

Question 5. What is indigestion? What we intake to treat it.

Question 6. How can we neutralize factory waste?

Question 7. What do you understand by soil treatment?