Match column I with column II and select the correct option from the codes given below.
| Column I | Column II |
| (P) Dipping iron sheets in molten zinc | (i) Alloying |
| (Q) Prevents the iron surface to come in contact with moisture | (ii) Galvanisation |
| (R) Two or more metals are mixed in definite ratio to form a homogeneous mixture | (iii) Tinning |
| (S) Coating expensive utensils with tin | (iv) Painting |
A (P)-(iv), (Q)-(i), (R)-(ii), (S)-(iii)
B (P)-(iii), (Q)-(i), (R)-(ii), (S)-(iv)
C (P)-(ii), (Q)-(iv), (R)-(i), (S)-(iii)
D (P)-(i), (Q)-(iii), (R)-(ii), (S)-(iv)
electroplating