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[Explain] What is the valency of nitrogen ?

[Explain] What is the valency of nitrogen ?

By engineer / May 26, 2024

[Explain] What is the color of zinc sulphate, ferrous sulphate, copper sulphate and aluminium sulphate ? When we add aluminium metal in ferrous sulphate, what is the color ? When we add aluminium metal in copper sulphate what is the color ?

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