Which of the following properties is not true for an alkali metal?
- ALow atomic volume
- BLow ionization energy
- CLow density
- DLow electronegativity
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When $NaOH$ crystals are left in open air,they acquire a fluid layer around each crystal because:
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View SolutionMatch the following alloys in List-$I$ with their uses in List-$II$:
List-$I$ (Alloy) List-$II$ (Use) $A$. $Li-Pb$ $I$. In aircraft construction $B$. $Be-Cu$ $II$. To make bearings for motor engines $C$. $Mg-Al$ $III$. To make tetraethyl lead $D$. $Na-Pb$ $IV$. To make high strength springs
| List-$I$ (Alloy) | List-$II$ (Use) |
|---|---|
| $A$. $Li-Pb$ | $I$. In aircraft construction |
| $B$. $Be-Cu$ | $II$. To make bearings for motor engines |
| $C$. $Mg-Al$ | $III$. To make tetraethyl lead |
| $D$. $Na-Pb$ | $IV$. To make high strength springs |
The magnetic behaviour of $Li_2O$,$Na_2O_2$ and $KO_2$,respectively,are
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View SolutionMatch List-$I$ with List-$II$:
List-$I$ List-$II$ $(a)$ $Li$ $(i)$ photoelectric cell $(b)$ $Na$ $(ii)$ absorbent of $CO_{2}$ $(c)$ $K$ $(iii)$ coolant in fast breeder nuclear reactor $(d)$ $Cs$ $(iv)$ treatment of cancer $(v)$ bearings for motor engines
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $(a)$ $Li$ | $(i)$ photoelectric cell |
| $(b)$ $Na$ | $(ii)$ absorbent of $CO_{2}$ |
| $(c)$ $K$ | $(iii)$ coolant in fast breeder nuclear reactor |
| $(d)$ $Cs$ | $(iv)$ treatment of cancer |
| $(v)$ bearings for motor engines |
Choose the correct answer from the options given below:
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