Acids, acidic oxide and acidic salts : (a) will turn red litmus blue (b) will turn blue litmus red (c) will turn pH paper orangish red (d) will turn pH paper green
(a) and (b)
(c) and (d)
(a) and (d)
(b) and (c)
A
(c) and (d)
B
(a) and (b)
C
(b) and (c)
D
(a) and (d)
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Solution
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Acids and substances of acidic nature have property to change colour of blue litmus to red. They also turn pH paper to orangish red.
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