1.

A student took four test-tubes containing solutions of different colours marked I, II, III and IV as shown here. The test-tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes :(1) I and III(2) II and III(3) III and IV(4) II and IV

Answer» A student took four test-tubes containing solutions of different colours marked I, II, III and IV as shown here. The test-tubes containing copper sulphate solution and ferrous sulphate solution could be the tubes :



(1) I and III

(2) II and III

(3) III and IV

(4) II and IV


Discussion

No Comment Found