A dilute solution of sodium carbonate was added to two test tubes one containing dilute HCI (a) and the other containing dilute NaOH (b). the correct observation was :- a)A brown colored gas liberated in test tube A b)A brown colored gas liberated in test tube B c)A colorless gas liberated in test tube A d)A colorless gas liberated in test tube B
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The correct answer is (c)
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