1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

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
(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
B
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
C
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
D
(A) - (I), (B) - (III), (C) - (II), (D) - (IV)
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

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.

(C) Copper is used for reduction of alcohol

(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 :

A
(D) and (E) only
B
(A) and (D) only
C
(A), (B) and (D) only
D
(B), (C) and (D) only
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1

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

A
$$\mathrm{FeO}+\mathrm{CO} \rightarrow \mathrm{Fe}+\mathrm{CO}_{2}$$
B
$$\mathrm{C}+\mathrm{CO}_{2} \rightarrow 2 \mathrm{CO}$$
C
$$\mathrm{CaO}+\mathrm{SiO}_{2} \rightarrow \mathrm{CaSiO}_{3}$$
D
$$\mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_{2}$$
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

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