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Explain the term - hydrolysis yield ammonium ion
In addition to ammonium compounds, materials such as urea which, upon hydrolysis yield ammonium ion, are again a potential source of acidity. The phosphorus and potassium fertilizers commonly used have little effect on soil pH unless they also contain nitrogen. The appropriate acid forming capacity of some fertilizer materials expressed in kg of CaCO3 needed to neutralise the acidity produced by 100 kg nitrogen supplied are as given below:
ARAB RENAISSANCE: The Roman Empire had begun to decline. Its economy was overburdened by a huge army. Stagnating production had led to the imposition of heavy taxes. Consequentl
Explain the process of Freezing Freezing, as a method, is the easiest, most convenient and least time-consuming way of preserving foods. Freezing does not sterilize foods or d
Rutherford atomic model
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does air is conductor
List any three human activities that you think would lead to air pollution. The following three human activities would lead to air pollution: (i) Burning of fossil fuels such
Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas. These gases take part in the respiration of plants. We know that respiration involves the oxidatio
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Why is olivine a rare mineral in sandstone? a. What is the range in grain size of sample 33 from the Athabasca University Rock Samples Kit? (Hint: Measure the size of the gra
any example of the seven scientific method?
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