Question 8. What produces more severe burns, boiling water or steam?
Answer: Steam will produce more severe burns than boiling water because steam has more heat energy than water due to its latent heat of vaporisation.
Answer: Steam will produce more severe burns than boiling water because steam has more heat energy than water due to its latent heat of vaporisation.
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ReplyDeleteCan anyone tell fire comes in which catagory of state of matter
ReplyDeleteAir
DeleteCan anyone tell fire comes in which catagory of state of matter
ReplyDeletewhy are we able to sip tea faster from saucer rather than a cup..???
ReplyDeleteAs surface area increases in saucer than in a cup
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DeleteBecause of the increase in surface area
DeleteBecause cup has small area so evaporation is low whereas in saucer pan area is large so evaporation is faster and tea become cool
DeleteThe rate of evaporation increases with increased of surface area
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ReplyDeleteNepkthalene balls disappear with time without rearing any solid
ReplyDeleteBecause it undergoes to sublimation process .
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