JEE Main 2022 · 28 Jul · Shift 2 · Chemistry Q35

ChemistrySingle correct+4 / -1Question 35 of 90

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

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Answer and worked solution

Official answer: B

Statement I. A Li-Mg alloy is used for armour plates, not aircraft plates. False.

Statement II. NCERT credits calcium ions with cell-membrane integrity. False.

(B)

Topics:Alkaline earth metals Alkali metals

JEE Main 2022 · 28 Jul · Shift 2, Chemistry question 35