Match the items in column I with their preservation methods in column II and choose the correct option from the codes given below.
| Column I | Column II |
|---|---|
| (a) Amla | (i) Sodium benzoate |
| (b) Vegetables | (ii) Drying |
| (c) Squashes | (iii) Cooling |
| (d) Spices | (iv) Oil and vinegar |
| (e) Ketchups | (v) Sugar |
| (vi) Salts |