Question

Matter Boling point

Water 100°c

Petrol 95°c

Mercury 356.7°c

Alcohol 78.37°c

15)Which matter has the highest boiling point ?

A)Water B)Petrol C)Mercury D)Alcohol

16) Which matter has the lowest boiling point ?

A) Petrol B) Mercury C) Water D)Alcohol

17)What is the difference between the highest and the lowest boiling point?

A) 278.33 °c B) 278.33 °c C) 278.33 °c D)183.33 °c

18)How much more is the boiling point of mercury than water?

A) 16.63 °c B) 256.7 °c C) 283 °c D)266.8 °c

19) How much more is the boiling point of alcohol than petrol ?

A) 14.14 °c B) 16.63 °c C) 9.89 °c D)6 °c

20)If the length of side of a square is 6cm then the perimeter of this square is _________cm

A)6 B)12 C)24 D)18

21) If the length of side of a rectangle is 12cmand breadth 8cm then the perimeteR​

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