NEET 2023 Manipur | Processes of Isolation of Elements Question 1 | Chemistry

This chapter is currently out of syllabus

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Out of Syllabus

Match List - I with List - II

	List - I (Mixtures/Sample)		List - II (Technique used for purification)
(A)	Glycerol from spent lye	(I)	Steam distillation
(B)	Chloroform + Aniline	(II)	Fractional distillation
(C)	Fractions of crude oil	(III)	Distillation under reduced pressure
(D)	Aniline + Water	(IV)	Distillation

Choose the correct answer from the options given below :

(A) - (III), (B) - (IV), (C) - (II), (D) - (I)

(A) - (IV), (B) - (II), (C) - (I), (D) - (III)

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

(A) - (I), (B) - (III), (C) - (II), (D) - (IV)

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

Out of Syllabus

Read the following statements and choose the set of correct statements :

(A) Chrome steel is used for cutting tools and crushing machines.

(B) The fine dust of aluminium is used in paints and lacquers.

(D) Zinc dust is used as a reducing agent in the manufacture of paints

(E) Iron is used for galvanising zinc

Choose the most appropriate answer from the options given below :

(D) and (E) only

(A) and (D) only

(A), (B) and (D) only

(B), (C) and (D) only

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.

	List - I (Ores)		List - II (Composition)
(a)	Haematite	(i)	Fe$$_3$$O$$_4$$
(b)	Magnetite	(ii)	ZnCO$$_3$$
(c)	Calamine	(iii)	Fe$$_2$$O$$_3$$
(d)	Kaolinite	(iv)	[Al$$_2$$(OH)$$_4$$Si$$_2$$O$$_5$$]

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)

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