Question

What will be the colour change of onion if we add lemon juice in it​

Answer 1

Answer:

Anthocyanins impart orange, yellow or purple colouration while anthoxanthins impart pale yellow or white colour. These pigments are present in the cell sap and are water soluble. These pigments change their colour with the pH of the medium.Aug 9, 2015

Explanation:

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Answer 2

Answer:

Olfactory Indicators: Substances which change their smell when mixed with acid or base are known as olfactory indicators. ... Onion: Paste or juice of onion loses its smell when added with base. It does not change its smell with acid.