by DeepWebLabs
WBJEE SERIES
Chemistry

Some Basic Concepts Of Chemistry

16 previous year questions.

Volume: 16 Ques
Yield: Medium

High-Yield Trend

1
2023
2
2018
1
2017
2
2012
2
2011
2
2010
1
2009
4
2008
1
2007

Chapter Questions
16 MCQs

01
PYQ 2007
medium
chemistry ID: wbjee-20
If molecular weight of is , then its equivalent weight in acidic medium would be
1
2
3
4
02
PYQ 2008
easy
chemistry ID: wbjee-20
solution will have same molar concentration as a
1
2
3
4
03
PYQ 2008
medium
chemistry ID: wbjee-20
Sodium nitrate on reduction with in presence of solution produces Mass of sodium nitrate absorbing mole of electron will be
1
7.75
2
10.625
3
8
4
9.875
04
PYQ 2008
medium
chemistry ID: wbjee-20
An unknown element forms an oxide. What will be the equivalent weight of the element if the oxygen content is by weight?
1
16
2
32
3
8
4
64
05
PYQ 2008
medium
chemistry ID: wbjee-20
mole of methyl amine on reaction with nitrous acid gives at
1
of nitrogen
2
of nitrogen
3
of nitrogen
4
of nitrogen
06
PYQ 2009
medium
chemistry ID: wbjee-20
An organic compound made of and contains nitrogen. Its molecular weight is :
1
70
2
140
3
100
4
65
07
PYQ 2010
medium
chemistry ID: wbjee-20
The molarity of a solution by dissolving of it in water is
1
0.4 M
2
0.8 M
3
0.2 M
4
0.1 M
08
PYQ 2010
medium
chemistry ID: wbjee-20
In the reaction of sodium thiosulphate with in aqueous medium, the equivalent weight of sodium thiosulphate is equal to
1
molar mass of sodium thiosulphate.
2
the average of molar masses of and
3
half the molar mass of sodium thiosulphate.
4
molar mass of sodium thiosulphate
09
PYQ 2011
medium
chemistry ID: wbjee-20
of metal carbonate is neutralized completely by of . The equivalent weight of metal carbonate is
1
2
3
4
10
PYQ 2011
medium
chemistry ID: wbjee-20
The amount of the heat released when is mixed with is . The heat of neutralization is
1
2
3
4
11
PYQ 2012
medium
chemistry ID: wbjee-20
The weight of oxalic acid that will be required to prepare a solution is
1
126 / 100 g
2
63 / 40 g
3
63 / 20 g
4
126 / 20 g
12
PYQ 2012
medium
chemistry ID: wbjee-20
Equal weights of and are mixed in an empty container at . The fraction of the total pressure exerted by is
1
2
3
4
13
PYQ 2017
medium
chemistry ID: wbjee-20
In a flask, the weight ratio of and at and 1 bar is . The ratio of the number of molecules of and is
1
2
3
4
14
PYQ 2018
medium
chemistry ID: wbjee-20
A metal (specific heat ) forms a metal chloride with chlorine present in it. The formula of the metal chloride will be
1
2
3
4
15
PYQ 2018
medium
chemistry ID: wbjee-20
How many moles of electron weight one kilogram :
1
2
3
4
16
PYQ 2023
medium
chemistry ID: wbjee-20

The correct option for the above reaction isΒ 
1
2
3
4

About Some Basic Concepts Of Chemistry - WBJEE

Some Basic Concepts Of Chemistry is a vital chapter for WBJEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Some Basic Concepts Of Chemistry PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Some Basic Concepts Of Chemistry carry the most weight. Then, tackle the questions iteratively to solidify your understanding.