What happens when you pour some acetone on your palm?

The non-$SI$ and $SI$ units of some physical quantities are given in Column $A$ and Column $B$ respectively. Match the units belonging to the same physical quantity:

Column $A$	Column $B$
$(a)$ degree Celsius	$(i)$ kilogram
$(b)$ centimeter	$(ii)$ pascal
$(c)$ gram per centimetre cube	$(iii)$ metre
$(d)$ bar	$(iv)$ kelvin
$(e)$ milligram	$(v)$ kilogram per metre cube

$(a)$ Define boiling point.
$(b)$ Express the boiling point of water in Celsius as well as Kelvin scale.
$(c)$ $A$ diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

How does pressure help in the liquefaction of gases? Explain.

$(a)$ Explain with the help of an activity which shows that particles of matter are very small.
$(b)$ Define matter. Name the states of matter in which the forces between the constituent particles are
$(i)$ strongest
$(ii)$ weakest
$(c)$ When sugar and common salt are kept in different jars,they take the shape of the jars. Are they solid? Justify your answer.

The property to flow is unique to fluids. Which one of the following statements is correct?