An acid which can decolourise purple coloured potassium permanganate solution is :
(a) sulphuric acid (b) citric acid
(c) carbonic acid (d) hydrochloric acid
One of the following is not an organic acid. This is :
(a) ethanoic acid
(b) formic acid
(c) citric acid
(d) carbonic acid
Match the following.
Group ‘A’
Group ‘B’
(a)
tamarind
1.
vinegar
(b)
yoghurt
2.
citric acid
(c)
lemon
3.
tartaric acid
(d)
acetic acid
4.
lactic acid