Sodium oxide $(Na_2O)$ is produced when
- A$Na_2CO_3$ is heated
- B$Na$ burns with excess of $O_2$
- C$Na$ burns in limited $O_2$
- D$Na$ reacts with moist air
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Which of the following sets represents the alkali metals?
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View SolutionMatch List-$I$ with List-$II$ :
List-$I$ List-$II$ $(a)$ $Li$ $(i)$ Poor water solubility of $I^{-}$ salt $(b)$ $Na$ $(ii)$ Most abundant element in cell fluid $(c)$ $K$ $(iii)$ Bicarbonate salt used in fire extinguisher $(d)$ $Cs$ $(iv)$ Carbonate salt decomposes easily on heating
Choose the correct answer from the options given below :
| List-$I$ | List-$II$ |
| $(a)$ $Li$ | $(i)$ Poor water solubility of $I^{-}$ salt |
| $(b)$ $Na$ | $(ii)$ Most abundant element in cell fluid |
| $(c)$ $K$ | $(iii)$ Bicarbonate salt used in fire extinguisher |
| $(d)$ $Cs$ | $(iv)$ Carbonate salt decomposes easily on heating |
Choose the correct answer from the options given below :
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