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Study these tables related to boiling pointsof different substances and humidity and answer the following questions.Table A: Boiling points of different substancesTable B: Humidity percentage in three situationsSubstanceMethanolEthanolNitric AcidWaterIodineBoiling point (°C)64.778.483100184.3Situation ASituation BSituation CHumidity>7550-75(a) Refer Table B and find out in which situation a bowl of water will evaporate away the fastest andslowest.(b) A bowl of water and a bowl of ethanol are kept inside a room. Which bowl will get empty first?c)refer table A and table B and find in which situation out of the following the substance will evaporate the faster?a)methanol in situation c b) iodine in sitation a c)nitric acid in situation a d)iodine in situation c |
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Answer» Answer: (a) Water will evaporate fastest when the TEMPERATURE is 100 DEGREE or more and SLOWEST when it is 0 degree as it will be in its frozen state. (b) The bowl containing ethanol will evaporate faster than the bowl containing water as ethanol has a lower BOILING point than water. (c) Mention situation C. But from what is provided b) & c) is not the answer Explanation: |
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