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प्रश्न
The property which is not shown by acids is:
(a) they have sour taste
(b) they feel soapy
(c) they turn litmus red
(d) their pH is less than seven
उत्तर
they feel soapy
Acids have a sour taste, they turn blue litmus paper red and their pH is less than seven. But they do not feel soapy.
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