| Marble chips or calcium carbonate react with hydrochloric acid as : |
| \[CaC{{O}_{3}}+2HCl\to CaC{{l}_{2}}+{{H}_{2}}O+C{{O}_{2}}\] |
| The reaction is carried out twice and following graphs were obtained: |
|
A) Reaction is faster in experiment II.
B) Marble chips taken in experiment II are smaller in size than the marble chips taken in experiment I.
C) Same amount of marble chips and hydrochloric acid is used for both the experiments.
D) None of these
Correct Answer: D
Solution :
Graph II is steeper than graph I which shows that reaction is faster in experiment II. Both graphs level off at the same value which shows that same amount of marble chips and hydrochloric acid is used for both experiments and marble chips in experiment II must have been smaller in size.
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