Question:medium
Observe the figure and answer the following questions:
(a) Which gas is released as effervescence in the big test tube?
(b) What is the colour change in the lime water?
(c) Write the related chemical equation.
Observe the figure and answer the following questions:
(a) Which gas is released as effervescence in the big test tube?
(b) What is the colour change in the lime water?
(c) Write the related chemical equation.
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Remember: Carbon dioxide gas is produced when an acid reacts with a carbonate.
Updated On: Mar 13, 2026
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