NEET UG 2021 · Chemistry · Question 78

NEET 2021 Chemistry, question 78

Question 78 of the NEET 2021 paper (code O1) is a Chemistry question from General Principles and Processes of Isolation of Elements. Its idea, Refining of Metals, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q78 · Chemistry

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature ?

1 Distillation Official answer 2 Zone refining 3 Electrolysis 4 Chromatography

Official answer: option 1 · NTA final answer key

Same idea

The only question on Refining of Metals

No other NEET paper from 2017–2026 tested this exact idea.

Refining of Metals: every question and how it was framed

The chapter

General Principles and Processes of Isolation of Elements in ten years of NEET

8 questions from 2017–2026, asked in 7 of 10 papers, about 0.8 a paper. General Principles of Metallurgy alone had 8.

Chapter analysis

The only question on Refining of Metals

General Principles and Processes of Isolation of Elements in ten years of NEET

General Principles and Processes of Isolation of Elements: questions per paper