Today Manveer was reading about natural indicators. His teacher placed some substances in front of him and asked which of these substances is used as a natural indicator?
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Some substances change their colour, according to acidic or basic ... that are obtained from natural substances are called natural indicators. ... The resulting colourless solution is used as an indicator
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Some substances change their colour, according to acidic or basic ... that are obtained from natural substances are called natural indicators. ... The resulting colourless solution is used as an indicator
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