UPPCS · प्रश्न 10
Consider the following elements found in a typical 70 kg man and arrange them in correct increasing order. 1. Sodium 2. Potassium 3. Copper 4. Iron Select the correct answer using the code given below.
उत्तर देखें और व्याख्या
उत्तर: (D) 3, 4, 1, 2
व्याख्या
A 70 kg adult has roughly 72 mg copper, about 4 g iron, about 100 g sodium and about 140 g potassium, so the increasing order is Cu < Fe < Na < K.