1.

Identify the correct sequence of steps in an experiment to show the effect of temperature on the rate of the reaction.(1) Measuring the volumesof H_(2) gas liberated in the two test tubes. (2) Heating the test tube B by 10^(@)C (3) Comparison of relative volumes of H_(2) liberated in test tubes B and A. (4) Addition of same concentration of HCl ot the two test tubes. (5) Taking equal masses of fine granules of zinc in two test tubes A and B.

Answer»

3,4,5,1,2
5,4,2,1,3
2,1,3,5,4
5,4,2,3,1

Solution :(i) raking equal masses of fine GRANULES of zinc in two test tubes A and B.
(ii) ADDITION of same concentration of HCl ot the two test tubes.
(iii) HEATING the test tube B by `10^(@)C`
(iv) measuring the volumes of `H_(2)` gas liberated in two test tubes.
(v) observation of volumes of `H_(2)` liberated in test tubes B and A.


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