#1
Wate vapour came in contact of ice so they lost their heat so condensed around
#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
#5
Option B
- Sugar has C,H and O whereas Butane have only C and H