Using the rules for significant figures,the correct answer for the expression $\frac{0.02858 \times 0.112}{0.5702}$ will be .... .

Match the physical quantities in List-$A$ with their corresponding units in List-$B$.

List-$A$	List-$B$
$(1)$ Electric current	$(A)$ Kilogram
$(2)$ Luminous intensity	$(B)$ Mole
$(3)$ Amount of substance	$(C)$ Ampere
$(4)$ Mass	$(D)$ Candela

If the number of $H^{+}$ ions in $1 \ L$ of distilled water is $6.023 \times 10^{16}$,what is the number of $H^{+}$ ions in $1 \ mL$ of distilled water?

If the diameter of a carbon atom is $0.15 \,nm$,calculate the number of carbon atoms which can be placed side by side in a straight line across the length of a scale of length $20 \,cm$.

Fill in the blanks given below:
$(i)$ The symbol for the quantity of luminous intensity is .......... and the name of its $SI$ unit is ......... .
$(ii)$ The prefixes used for $10^{-18}$ and $10^{18}$ are ............ and ........... respectively.
$(iii)$ The $SI$ unit of density is ......... .
$(iv)$ In the ........ unit of temperature,its negative value is not possible.

Among the following,the correct statement is