A litmus paper was dropped into
2ml dilute HC1. Then 2ml
concentrated NaOH was added to it
and stirred.
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The changes observed when a litmus paper was dropped into 2ml dilute HCl. Then 2ml concentrated NaOH was added to it and stirred are:
i. With HCl, the litmus paper turns red.
ii. With NaOH, the litmus paper turns blue.
Explanation: HCl is an acid and has pH lesser than 7, thus its
colour changes to red.
NaOH is a base and has pH greater than 7, thus its colour changes to blue.
Explanation:
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Answered by
6
♥..The changes observed when a litmus paper was dropped into 2ml dilute HCl. Then 2ml concentrated NaOH was added to it and stirred are:
i. With HCl, the litmus paper turns red.
ii. With NaOH, the litmus paper turns blue.
Explanation: HCl is an acid and has pH lesser than 7, thus its
colour changes to red.
NaOH is a base and has pH greater than 7, thus its colour changes to blue.
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