Chemistry Mastery Quiz
Chemistry Mastery Quiz
Test your knowledge of basic chemistry concepts with our engaging quiz! This quiz covers various topics including titration, chemical reactions, molar mass calculations, and more.
Whether you are a student preparing for exams or just a science enthusiast, this quiz is designed to challenge and enlighten you.
- Multiple choice questions
- Learn while you answer
- Score yourself at the end!
Which of the following is used in titration
Conical flasks
Pipette
Volumetric flask
Reaction between one mole of nitrogen and .... Mole of hydrogen to produce 2 mole of amonnia
3
2
No correct answer
Other
Please Specify:
Reaction between 2moles of Na and…. Mole of H_2 O to preduce 2 moles of NaOH + one mole of H_2
1
2
4
What is the balance of Fe and Cl in the following in this equation? ( ? Fe+ ?〖Cl〗_2 →2Fe 〖Cl〗_3 )
1-3
3-2
2-3
Which of the following is" graduation zero is close to the upper opening and ends before the valve"
Pipette
Burette
Beakers
Which of the following is not nanoscale?
100nm
101nm
85nm
The solidity of capper molecules decreas when they beging increaseing from
Macroscale to nanoscale
Nanoscale to macroscale
No correct answer
Reaction between one mole of C and…. O_2mole of to preduce one mole of CO
1/2
2/3
3/2
Which of the following is used in titration?
Pipette
Conical flasks.
Volumetric
If you know that pepsin enzyme works in stomach efficiently at pH value ranges from 1.5 to 2.5. What is the medium of pH in this organ?
Acidic
Alkaline
Neutral
The PH value of an alkaline solution is
< 7
> 7
= 7
Carbon dioxide molecule has a molecule CO2 (C=12. O=16
44g/mol
42g/mol
40g/mom
Calculate the molar mass for Na2CO3 (Na=23 C= 12 O=16)
95 g/mol
18 g/mol
106 g/mol
How many moles are present in 191 grams of copper?( Cu = 63,5)
3
4
5
Calculate the number of molecule that are found in a sample of sulphur dioxide of mass 32g. (S=32. O=16)
2,32×10*23
3,01×10*23
3,5×10*23
Calculate the Mass of ,5 mol of sulphuric acid ( H=1. S=32. O= 16)
45g
48g
49g
Calculate the molar mass of copper sulphate (cu=63,5. S=32. O=16)
1
195,5
159,5
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