Measuring flask

Round bottom flask

Burette

None of these

6.023{\mkern 1mu} {\mkern 1mu}  imes {\mkern 1mu} {\mkern 1mu} {10^{23}}

2

1

12.046{\mkern 1mu} {\mkern 1mu}  imes {\mkern 1mu} {\mkern 1mu} {10^{23}}

46.0 u

23.0 u

11.5 u

92.0 u

${\rm{1}}\,\,{\rm{g}}$of ${\rm{Ag}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Ag = {\rm{ }}108$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Mg}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Mg = {\rm{ }}24$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${{\rm{O}}_{\rm{2}}}\left( {\rm{g}} \right)$ [ Atomic mass of $O = {\rm{ 16}}$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Li}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Li = {\rm{ 7}}$ ]

0.5 g of Li

0.5 g of Na

0.5 g of K

0.5 g of Rb

1 g of Li

1 g of Ag

1 g of Mg

1 g of O2

$18 imes {10^{23}}$ electrons

$6.023 imes {10^{23}}$ electrons

$3.01 imes {10^{23}}$ electrons

$9 imes {10^{23}}$ electrons

10 g of Au

10 g of Fe

10 g of Al

10 g of C

$18 imes {10^{23}}$ electrons

$6.023 imes {10^{23}}$ electrons

$3.01 imes {10^{23}}$ electrons

$9 imes {10^{23}}$ electrons

$6.02 imes {10^{23}}$ atoms of H

4 g.atom of Hydrogen

$1.81 imes {10^{23}}$ molecules of $C{H_4}$

3.0 g of carbon

Helium

Neon

Argon

Krypton