1. (A) Answer the following. (5)
(i) Fill in the blanks and rewrite the completed statements:. (2 Marks)
(B) Rewrite the following statements by selecting the correct options: (5 Marks)
2. Attempt the following. (10 Marks)
3. Attempt the following (Any 5) . (15 Marks)
Q4. Attempt the following (any 1) ( 5 marks)
(a) a few drops of strongly smelling eucalyptus oil was treated with vinegar.
(b) the rain water mixing with river water was found to be having pH less than 7.
(c) sonal brushes her teeth with the best quality toothpaste everyday.
(d) electrolysis is carried out on sodium chloride solution. (e) copper sulphate is heated.