A student adds a few drops of universal indicator to a dilute solution of sodium bicarbonate taken in a test tube, which of the following colours would be observed?
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the following colour would be red
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When we add few drop of universal indicator to a test tube containing sodium bicarbonate powder. We will observation as :
( i ) There will be no reaction take place.
( ii ) There will be formation of bubbles of a colorless and odorless gas.
( iii ) A brown colored gas is released with brisk effervescence.
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