CH-1654
Surface area
Chemistry · Secondary 4 · Hard · Surface area
Marble chips (calcium carbonate) react with excess hydrochloric acid to produce carbon dioxide.
Experiment 1: 2.0 g of powdered marble chips
Experiment 2: 2.0 g of large marble chips
Same volume and concentration of acid are used.
Which statement compares the reactions correctly?
Experiment 1: 2.0 g of powdered marble chips
Experiment 2: 2.0 g of large marble chips
Same volume and concentration of acid are used.
Which statement compares the reactions correctly?
- Experiment 1 is faster and produces more gas than Experiment 2.
- Experiment 1 is slower but produces the same volume of gas as Experiment 2.
- Experiment 1 is faster and produces the same volume of gas as Experiment 2.
- Experiment 1 is slower and produces less gas than Experiment 2.
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