NCERT solution for class 7th //Science // Chapter 5 . Acid ,Bases and Salt
NCERT solution > class 7th > Science NCERT solution for class 7th //Science // Chapter 5 . Acid ,Bases and Salt Chapter 5 . Acid , Bases and Salt Exercise Q1. State differences between acids and bases Answer - Q2. Ammonia is found in many household products such as window cleaners it turns red litmus blue what is its nature? Answer - Ammonia is basic in nature and it turns the colour of red litmus paper into blue Q3. Name the sources from which litmus solution is obtained what is the use of the solution ? Answer Litmus solution is obtained from a natural dye extracted from lichen is dissolved in distilled water and perform litmus solution Litmus identify both the solution acidic as well as basic in acidic solution it shows red colour while in basic solution is shows blue colour and in neutral solution there is no change Q4. Is the distilled water acidic basic or neutral how would you ...