Which of the following statements is correct regarding alkali metals?
- ACation is less stable than the atom
- BCation is smaller than the atom
- CSize of cation and atom is the same
- DCation is greater in size than the atom
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Zeolite is a silicate of two metal ions $X$ and $Y$. $X$ and $Y$ are respectively
Match 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:
DifficultJEE MAIN 2021
View SolutionMagnesium wire is heated in the atmosphere of $CO_2$ because
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View SolutionWhich of the following is an alkali metal?
Which of the following is not an ore of magnesium?
Medium
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