> Q7. Observe the picture given below and answer the following questions: Cork Glass tube Gas A Conical flask Dilute sulphuric acid -Zinc granules a)Identify the gas A. b)Write the chemical equation for the above reaction.
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Answer:
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aim to observe the change in temperature when h²so⁴ is added to zinc
material zinc grounds h²so⁴ test tube
procedure take a few drops of zinc and add to h²so⁴ see the temperature of it
observations temperature of test tube change it become hot
conclusion ZN+H²SO⁴-------( arrow) ZNSO⁴+H²