Chemistry
Master Your Chemistry Knowledge
Test your chemistry knowledge with our comprehensive quiz designed for students and enthusiasts alike. With 20 challenging questions, you'll explore various concepts including molecular masses, electronic configurations, and moles.
Key Features:
- 20 Multiple Choice Questions
- Instant Feedback on Answers
- Enhance Your Understanding of Chemistry
What is the molecular mass of NH3?
18amu
16amu
17amu
19amu
What is the molecular mass C12H22O11?
342amu
332amu
362amu
352amu
Determine the molecular mass of naphthalene C10H8 which is used in mothballs.
118amu
138amu
127amu
128amu
Milk of magnesia which contains Mg(OH)2, is used treat acidity. Determine its formula mass.
60amu
50amu
51amu
58amu
Determine the formula mass of AgNO3.
170amu
180amu
165amu
None of above
How many moles are there in 6.5g of glucose?
1.23 moles
0.036 moles
0.125 moles
1.35 moles
Find the moles in 650mg of NaOH.
0.016 moles
0.257 moles
0.356 moles
0.0569 moles
Electronic configuration of Argon is:
1s2, 2s2, 3s2, 2p5
1s2, 2s2, 2p6, 3s2, 3p5
1s2, 2s2, 2p6, 3s2, 3p6
1s1, 2s2, 2p6, 3s2, 3p6
How many number of moles are present in 10g of Hydrogen?
3 moles
4 moles
2 moles
1 mole
A spoon of table salt, NaCl contains 12.5g of this salt. Calculate the number of moles it contains.
0.136 moles
0.258 moles
0.569 moles
0.213 moles
Find out the Formula mass of Na2S2O3?
158amu
123amu
160amu
155amu
What is the electronic configuration of Ca.
1s2,2s2,2p6,3s1,3p6,4s1
1s1,2s2,2p6,3s2,3p6,4s2
1s2,2s2,2p6,3s2,3p6,4s2
1s2,2s2,2p6,3s2
Lithium has electronic configuration:
1s2,2s2
1s2,2s1
1s1,2s2,2p3
1s2,2s1,2p5
40g of H3PO4 contains number of moles:
0.58 moles
0.38 moles
0.64 moles
0.408 moles
Write the electronic configuration of potassium.
1s2,2s2,2p6,3s2,3p6,4s2
1s2,2s2,2p6,3s1,3p6
1s2,2s2,2p6,3s2,3p6,4s1
1s2,2s2,2p6,3s2,3p6
What is the atomic number of Silicon?
12
14
11
15
1 gram of carbon contains how many moles
2 moles
2 moles
0.08 moles
0.2 moles
The mass of one mole of water is:
18g
18g/mol
18amu
18 moles
Mass of 3 moles of oxygen atoms is:
62g
48g
59g
40g
Electronic configuration is the distribution of:
Protons
Neutrons
Electrons
Positrons
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