MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
NEET
NEET Chemistry MCQ
Mcq On Some Basic Concepts Of Chemistry
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
How many moles of NaCl are contained in 100.0 mL of a 0.200 M solution?
0%
.0002
0%
.002
0%
2
0%
.02
Q.2
find the molarity of the solution where mole fraction of solute is 0.5000 and Molar Mass of Solute is 49 g/Mole and Molar mass of solvent is 18 g/M and density of solution is 1.769 g/ml
0%
15.24
0%
12.24
0%
11.13
0%
10.1
Q.3
What will be the molarity of a solution, which contains 5.85 g of NaCl per 500ml?
0%
.5 M
0%
.4 M
0%
1 M
0%
.2 M
Q.4
What is the molarity of a solution that contains 1.724 moles of solute in 2.50 L of solution?
0%
.55 M
0%
1.1 M
0%
.670 M
0%
.690 M
Q.5
The density of a 2.03 M solution of Acetic acid is water is 1.017 g/mL. The molality of the solution is
0%
2.27 m
0%
1.52 m
0%
2.5 m
0%
2 m
Q.6
The number of Moles of KCL is 1000 ml of 3 Molar Solution is
0%
1
0%
1.5
0%
3
0%
2
Q.7
we mix three solution of same solute of Molarity 1M, 2M ,3M and Volume 1 L,2L ,3L. Find the molarity of the resultant solution Molarity of the resulting solution is given by
0%
3 M
0%
3.3 M
0%
2.33 M
0%
1 M
Q.8
Which of the following modes of expressing concentration is independent of temperature
0%
Molality
0%
Formality
0%
Normality
0%
Molarity
Q.9
If 100 ml of 1.0 M NaOH solution is diluted to 1 L, the resulting solution contains
0%
.1 Mole of NaOH
0%
.05 Mole of NaOH
0%
1 Mole of NaOH
0%
10 mole of NaOH
Q.10
A Molal solution is one that contains one mole of solute in
0%
1 L of solvent
0%
1000 g of solvent
0%
22.4 L of solution
0%
1 L of solution
Q.11
Assertion (A) : Significant figures for 0.10 is 2 where as for 10 it isReason (R) : Zero at the end or right of a number are significant provided they are not on the right side of the decimal point.
0%
A is true but R is false.
0%
Both A and R are true and R is correct explanation of A.
0%
Both A and R are false.
0%
Both A and R are true but R is not a correct explanation of A.
Q.12
Assertion (A) : One atomic mass unit is defined as one twelfth of the mass of one carbon-12 atom. Reason (R) : Carbon-12 isotope is the most abundunt isotope of carbon and has been chosen as standard.
0%
Both A and R are false.
0%
Both A and R are true but R is not the correct explanation of A.
0%
A is true but R is false.
0%
Both A and R are true and R is the correct explanation of A.
Q.13
Which of the following pairs have the same number of atoms?
0%
28 g of N2 and 32 g of O2
0%
16 g of O2 and 44 g of CO2
0%
16 g of O2(g) and 4 g of H2(g)
0%
12 g of C(s) and 46 g of Na(s)
Q.14
The value of $914 + 23.2$ using significant figures is
0%
930
0%
937.2
0%
938
0%
937
Q.15
The number of gram molecule of oxygen in $6.02 \times 10^{24}$ CO molecules is
0%
5 gm-molecules
0%
.5 gm-molecules
0%
10 gm-molecules
0%
1 gm-molecules
Q.16
The number of significant figures in 1060.50 is
0%
4
0%
3
0%
6
0%
5
Q.17
The number of atoms of oxygen present in 88g of $CO_2$ is
0%
$24.092 \times 10^{22}$
0%
$12.046 \times 10^{23}$
0%
$24.092 \times 10^{23}$
0%
$6.023 \times 10^{23}$
Q.18
The mole fraction of solvent in a solution where mole fraction of solute is .6
0%
.4
0%
1.6
0%
.6
0%
1
Q.19
In the reaction 2X + 4Y → 3U + 4V, when 5 moles of X react with 6 moles of Y, Then which of the following is incorrect
0%
the amount of V formed will be 5 moles
0%
the amount of U formed is 4.5 moles
0%
Insufficient information
0%
‘Y’ is the limiting reagent.
Q.20
Match the column
0%
p -> i, q -> iii, r -> ii, s-> iv
0%
p -> ii, q -> iv, r -> iii, s-> i
0%
p -> ii, q -> iii, r -> iv, s-> i
0%
p -> ii, q -> i, r -> iv, s-> iii
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page