Question

व्हिच ऑफ द फॉलोइंग इज अ प्योर सब्सटेंस आयरन सॉइल सोडा वाटर ​

Answer 1

Answer:

iron&water

Explanation:

because iron is in it's atomic form where as water is in it's molecular form, soil is in mixture form, soda is also a type of mixture