2nd Year Chemistry Chapter 15 Common Chemical Industries In Pakistan
2nd Year Chemistry Chapter 15 Common Chemical Industries In Pakistan Short And Simple Question & Answer Q.1 What are the macronutrients of plants? Ans. Macronutrients are those elements that are needed in large quantities for the growth of plants. Nitrogen, phosphorous, and potassium are macronutrients. The quantity required per acre is 5 to 200 kg….