Medium
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 $(8)$ $N \ m^{-1}$ $(9)$ $kg$
| 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 | $(8)$ $N \ m^{-1}$ |
| $(9)$ $kg$ |
(A-5, B-4, C-2, D-7, E-3, F-6, G-1, H-9) The correct matches are:
$(A-5), (B-4), (C-2), (D-7), (E-3), (F-6), (G-1), (H-9)$.
$(A-5), (B-4), (C-2), (D-7), (E-3), (F-6), (G-1), (H-9)$.
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$(i)$ At ........ ${\,^\circ }{\text{C}}$,the values of temperature in both ${\,^\circ }{\text{C}}$ and ${\,^\circ }{\text{F}}$ are equal.
$(ii)$ The number of significant figures in $0.03$ is .....
$(iii)$ The closeness of various measurements for the same quantity is called .........
$(iv)$ The agreement of a particular value to the true value of the result is called ....
Medium
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