Question Text
Question 1 :
If copper sulphate crystals are moistened with water again after removing water of crystallisation, what will be their new colour?
Question 5 :
What chemical changes are observed when an acid or base reacts with water?
Question 6 :
Which one of the following type of medicines is used for treating indigestion?
Question 8 :
Gastric juice has a pH of about 1.2, what can you say about its nature ?
Question 11 :
The reaction of dry slaked lime and chlorine gas gives rise to which important product?
Question 12 :
Which one of the following types of medicine is used for treating indigestion?
