What precaution should be taken while doing the experiment of cleansing action of soap in hard and soft water?
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In hard water their is magnesium and calcium is present and the scum remains after washing with water so we need to use a large amount of soap. this is also overcome by another class of compounds called detergents as cleansing agent. In soft water foam is formed easily.
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Explanation:
In hard water their is magnesium and calcium is present and the scum remains after washing with water so we need to use a large amount of soap. this is also overcome by another class of compounds called detergents as cleansing agent. In soft water foam is formed easily.
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