43.
Two samples X and Y are tested with various indicators. The observations are listed in the following
table.
What are samples X and Y ?
(1) X is HCl and Y is NaOH
(2) X is NaOH and Y is HCI
(3) X is NaOH and Y is KOH
(4) X is HCl and Y is HNO,
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X is HCL and Y is NaOH
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Answer:
1st option is right
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