Q. 1 TCU (True Color Unit) is equivalent to (Solved)
1. the color produced by 1 g of platinum cobalt
2. the color produced by 1 mg of platinum cobalt
3. the color produced by 1 mg of platinum cobalt in 1l of distilled water
4. the color produced by 1 mg of platinum cobalt in 1ml of distilled water
- c. the color produced by 1 mg of platinum cobalt in 1l of distilled water