The melting point of ice in Fahrenheit scale is........

Match the following physical quantities with their appropriate units.

Physical Quantity	Unit
$(A)$ Molarity	$(1)$ $g \ mL^{-1}$
$(B)$ Mole fraction	$(2)$ $mol$
$(C)$ Mole	$(3)$ $Pascal$
$(D)$ Molality	$(4)$ $Unitless$
$(E)$ Pressure	$(5)$ $mol \ L^{-1}$
$(F)$ Luminous intensity	$(6)$ $Candela$
$(G)$ Density	$(7)$ $mol \ kg^{-1}$
$(H)$ Mass	$(8)$ $N \ m^{-1}$
	$(9)$ $kg$

Explain the scientific notation method of measurement.

What do you mean by $1 \ kg$?

Which of the following have the same number of significant figures?
$(A)$ $0.00253$
$(B)$ $1.0003$
$(C)$ $15.0$
$(D)$ $163$
Choose the correct answer from the options given below:

The triple point of water is ............ $K$.