This chapter is currently out of syllabus
1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

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
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

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
$$\mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_{2}$$
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

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)
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The maximum temperature that can be achieved in blast furnace is :
A
Upto 5000 K
B
Upto 1200 K
C
Upto 2200 K
D
Upto 1900 K
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