NEET 2023 | Processes of Isolation of Elements Question 3 | Chemistry

This chapter is currently out of syllabus

NEET 2023

MCQ (Single Correct Answer)

-1

Out of Syllabus

The reaction that does NOT take place in blast furnace between 900 K to 1500 K temperature range during extraction of iron is :

$$\mathrm{FeO}+\mathrm{CO} \rightarrow \mathrm{Fe}+\mathrm{CO}_{2}$$

$$\mathrm{C}+\mathrm{CO}_{2} \rightarrow 2 \mathrm{CO}$$

$$\mathrm{CaO}+\mathrm{SiO}_{2} \rightarrow \mathrm{CaSiO}_{3}$$

$$\mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_{2}$$

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Out of Syllabus

Match List - I with List - II.

Choose the correct answer from the options given below:

(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)

(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

NEET 2021

MCQ (Single Correct Answer)

-1

Out of Syllabus

The maximum temperature that can be achieved in blast furnace is :

Upto 5000 K

Upto 1200 K

Upto 2200 K

Upto 1900 K

NEET 2021

MCQ (Single Correct Answer)

-1

Out of Syllabus

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

Zone refining

Electrolysis

Chromatography

Distillation

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