When vinegar is mixed with baking soda in a test tube, the bubbles of a gas coming out with a hissing sound on hearing the test tube. The gas is
(1) Hydrogen gas
(2) Carbon dioxide gas
(3) Nitrogen gas
(4) Oxygen gas
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At the point when the gas advanced is gone through lime water, at that point lime water turns smooth.
Lime water is calcium hydroxide arrangement.
The turning of lime water smooth demonstrates the nearness of carbon dioxide since when CO2 is gone through lime water, white strong substance 'calcium carbonate' is framed which makes lime water smooth.
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Answer:
carbon dioxide co2
hoga
Explanation:
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