Give the names of the group $13$ elements.
- ABoron,Aluminum,Gallium,Indium,Thallium
- BCarbon,Silicon,Germanium,Tin,Lead
- CNitrogen,Phosphorus,Arsenic,Antimony,Bismuth
- DOxygen,Sulfur,Selenium,Tellurium,Polonium
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Which of the following processes will not yield anhydrous $AlCl_3$?
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Identify the compounds $A$,$X$ and $Z$ in the following reactions :
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