Respuesta :

#1

Wate vapour came in contact of ice so they lost their heat so condensed around

  • Option C

#2

Same C

  • Metals have very high boiling point as you can observe copper and Iron has very huge boiling point (2K+)

#3

Option C again

  • As we can see the graph the line of sodium chloride boundary is almost a straight line and increasing with respect to temperature

#4

According to law of conservation of matter ,matter can neither be created nor be destroyed rather they get rearranged

  • Option A

#5

Option B

  • Sugar has C,H and O whereas Butane have only C and H
c,c,c,a,b are the answers
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