JEE Main 2022 — s Block Elements Question with Solution
JEE Main 2022 (28 Jul Shift 2)
Question
Statement I: An alloy of lithium and magnesium is used to make aircraft plates.
Statement II : The magnesium ions are important for cell-membrane integrity.
In the light the above statements, choose the correct answer from the options given below
Choose an option
Show full solutionCorrect option: B
Step-by-step explanation
Lithium metal is used to make useful alloys, for example with lead to make ‘white metal’ bearings for motor engines, with aluminium to make aircraft parts, and with magnesium to make armour plates. So, Alloy of and is used to make armour plates and not aircraft plates.
Calcium plays important roles in neuromuscular function, interneuronal transmission and cell membrane integrity
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This is a previous-year question from JEE Main 2022, covering the s Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.