Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2023
MCQ (Single Correct Answer)
+4
-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 :

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
$$\mathrm{Fe}_{2} \mathrm{O}_{3}+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_{2}$$
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-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
(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)
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
A
Zone refining
B
Electrolysis
C
Chromatography
D
Distillation
NEET Subjects