Which of the following is NOT an element? || ADRE 1.0 (SLRC 2022) Paper-I Solved Questions

QUESTION:

Which of the following is NOT an element?

(A) Tin

(B) Mercury

(C) Iodine

(D) Quartz


ANSWER:


Option

Substance

Explanation

(A)

Tin

Incorrect. Tin is an element.

(B)

Mercury

Incorrect. Mercury is an element.

(C)

Iodine

Incorrect. Iodine is an element.

(D)

Quartz

Correct. Quartz is not an element; it is a mineral composed of silicon dioxide (SiO₂).


Correct Option: (D) Quartz


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