GATE GG-1 2023 Paper 1 — page 10

Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.

The behavior of trace elements in magmatic systems follows

Your answerChoose one option.

Henry’s Law

Raoult’s Law

Fick’s Second Law

First Law of Thermodynamics

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Choose the CORECT statement regarding crystallization of a single feldspar of composition Or₅₀Ab₅₀ in the Albite-Orthoclase system.

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The mineral can form in hypersolus but not in subsolus feldspar system.

The mineral can form in subsolus but not in hypersolus feldspar system.

The mineral can crystallize in both hypersolus and subsolus feldspar system.

The mineral can crystallize neither in hypersolus nor in subsolus feldspar system.

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Given ΔVᵣ and ΔSᵣ are the volume and entropy of reaction, respectively, the most suitable conditions for the reaction to be used as a geothermometer are

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small ΔVᵣ but large ΔSᵣ

small ΔSᵣ but large ΔVᵣ

positive ΔVᵣ but negative ΔSᵣ

negative ΔVᵣ but positive ΔSᵣ

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2023 · Paper 1

Question 28

Question 29

Question 30