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 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

The element used for welding metals with high melting points is

A
He
B
Cl2
C
H2
D
Ne
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

CaCl2 and Ca(OCl)2 are components of

A
Lime water
B
Gypsum
C
Portland cement
D
Bleaching powder
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Which one of the following is not a calcination reaction?

A
CaCO3 + 2HCl $$\buildrel \Delta \over \longrightarrow $$ CaCl2 + H2O + CO2
B
ZnCO3 $$\buildrel \Delta \over \longrightarrow $$ ZnO + CO2
C
Fe2O3 . xH2O $$\buildrel \Delta \over \longrightarrow $$ Fe2O3 + xH2O
D
CaCO3 . MgCO3 $$\buildrel \Delta \over \longrightarrow $$ CaO + MgO + 2CO2
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Identify the incorrect statement from the following

A
Alkali metals react with water to form their hydroxides.
B
The oxidation number of K in KO2 is +4.
C
Ionisation enthalpy of alkali metals decreases from top to bottom in the group.
D
Lithium is the strongest reducing agent among the alkali metals.
NEET Subjects