Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)Chemical Equilibrium
MCQ (Single Correct Answer)Radioactivity and Nuclear Chemistry
MCQ (Single Correct Answer)Solid State
MCQ (Single Correct Answer)Surface Chemistry
MCQ (Single Correct Answer)Inorganic Chemistry
Periodic Table
MCQ (Single Correct Answer)Hydrogen and It's Compounds
MCQ (Single Correct Answer)d and f Block Elements
MCQ (Single Correct Answer)Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)General Organic Chemistry
MCQ (Single Correct Answer)Polymers
MCQ (Single Correct Answer)Biomolecules
MCQ (Single Correct Answer)Practical Chemistry
MCQ (Single Correct Answer)Chemistry In Everyday Life
MCQ (Single Correct Answer)1
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
$${C_6}{H_6}(liq) + {{15} \over 2}{O_2}(g) \to 6C{O_2}(g) + 3{H_2}O(liq)$$
Benzene burns in oxygen according to the above equation. What is the volume of oxygen (at STP) needed for complete combustion of 39 gram of liquid benzene?
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
A metal (M) forms two oxides. The ratio M:O (by weight) in the two oxides are 25:4 and 25:6. The minimum value of atomic mass of M is
3
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
1 mL of water has 25 drops. Let N0 be the Avogadro number. What is the number of molecules present in 1 drop of water ? (Density of water = 1 g/mL)
4
WB JEE 2021
MCQ (Single Correct Answer)
+2
-0.5
The mole fraction of a solute in a binary solution is 0.1 at 298 K, molarity of this solution is same as its molality. Density of this solution at 298 K is 2.0 g cm$$-$$3. The ratio of molecular weights of the solute and the solvent (Msolute / Msolvent) is
Questions Asked from MCQ (Single Correct Answer)
WB JEE Subjects
Physics
Mechanics
Electricity
Chemistry
Physical Chemistry
Inorganic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry