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Answer: The formula of Copper Sulphate is CuSO4. It contains one atom of Copper, one atom of Sulphur and four atom of Oxygen. It is an acidic salt which is formed by the neutralization reaction of Copper Hydroxide and Sulphuric acid. It turns blue litmus paper into red which proves that it is acidic in nature. It is colourless compound but when it contains some water of crystallization then it will turns blue in colour.
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