Process diagrams vocabulary (Difficult) Quiz Home โบ IELTS โบ IELTS English Vocabulary โบ Process diagrams vocabulary (Difficult) ๐ IELTS – English Vocabulary – Process diagrams vocabulary – Difficult 20 questions ยท 15 min timer ยท Explanations included ยท Free 1. What term is used to describe the initial step where materials are gathered before processing? Collection Assimilation Aggregation Accumulation None 1 out of 20 2. What term is used to describe the step where materials are heated to remove impurities? Refining Purification Sterilization Clarification None 2 out of 20 Loading questions... 3 out of 20 Loading questions... 4 out of 20 Loading questions... 5 out of 20 Loading questions... 6 out of 20 Loading questions... 7 out of 20 Loading questions... 8 out of 20 Loading questions... 9 out of 20 Loading questions... 10 out of 20 Loading questions... 11 out of 20 Loading questions... 12 out of 20 Loading questions... 13 out of 20 Loading questions... 14 out of 20 Loading questions... 15 out of 20 Loading questions... 16 out of 20 Loading questions... 17 out of 20 Loading questions... 18 out of 20 Loading questions... 19 out of 20 Loading questions... 20 out of 20 Click Submit to see your final score! Previous Start Quiz Next Time's upTime is Up!