Question

correct the statement if it is wrong
(a) indicators show different colour in acidic and basic solution
(b) sodium hydroxide turns blue litmus red
(c) tooth decay is caused by the presence of base
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Answer 1

Answer:

1. @) indicator shows different colours as well as different odour in acodi and basic solution
2. sodium hydroxide (Na(OH)2) is base and base turn red litmus to blue litmus.
3. tooth decay is caused by the lower tthe ph value of acid present in it.