Match the items of Column I with the items of Column II and assign the correct code :

Question

Match the items of Column I with the items of Column II and assign the correct code : Code :

Philoid · Accepted Answer

A(3) Sapphire is a gemstone of corundum which contains trace amounts of Co which gives it the characteristic blue colour.

B(4) Sphalerite is a mineral and chief ore of zinc. It consists of ZnS

C(2) Depressants like NaCN are used to prevent two sulphide ores from forming froth in the Froth floatation method used to extract sulphide ores. NaCN suppresses ZnS and allows PbS to come to the froth.

D(1) Corundum is a crystalline form of alumina (Al₂O₃)

Match the items of Column I with the items of Column II and assign the correct code :Code :

Match the items of Column I with the items of Column II and assign the correct code :

Code :