Q 1 To which colour does turmeric change in the presence of an alkali ?
Q 2 give and two example of strong and weak bases?
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Explanation:
Turmeric retains it yellow color when it is exposed to acidic or neutral substances, which have a pH less than 7.4. However, when it is exposed to alkaline substances, which have a pH greater than 8.6 and contain more hydroxide ions than the hydrogen ions, it turns into dark pink or red in e.
Weak acids Formic acid
CHOOH
Weak bases Methylamine
CH3N
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