Take three slices of apple. place one slice in a bowl. Keep it open.Put one of them in water and the other in lemon juice..Keep them for half an hour.Note down which is going brown first and find out the reason for observation.Repeat this experiment with other fruits. (a) find out which fruits go brown first (b) Try different concentrations of lemon juice....which works bests? (c) Could you use other fruit juices instead?What about a vitamin C tablet dissolved in water?Make a report on your observations.
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WHICH IS KEPT IN AIR IT IS BROWN WATER IS LESS BROWN WHICH IS KEPT IN LEMON IS NOT BROWN HIGH CONCETRATION IS MORE EFFIECIENT YES WE CAN USE ANOTHER FRUITS LIKE ORANGE YES WE CAN USE VITAMIN C AS IT IS SPHORFIC ACID
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