GCSE 2.6 Quantitative

Quiz
•
Chemistry
•
9th Grade
•
Medium
Elaine Scott
Used 4+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which indicator can be used to measure the volumes of acid and alkali solutions that react together by titration?
Phenolphthalein or methyl orange
Bromothymol blue or litmus
Universal indicator or bromocresol green
Thymol blue or alizarin yellow
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the volume of one mole of any gas at room temperature and pressure (20 °C and 1 atmosphere pressure)?
22 dm³
24 dm³
26 dm³
28 dm³
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Avogadro's Law, equal volumes of gases at the same temperature and pressure contain the same number of what?
Atoms
Molecules
Ions
Electrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the atom economy of a reaction?
(mass of desired product / total mass of reactants) * 100
(mass of desired product / total mass of products) * 100
(mass of reactants / total mass of products) * 100
(mass of products / total mass of reactants) * 100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a high atom economy important?
It reduces the cost of raw materials
It is important for sustainable development and economic reasons
It increases the yield of the reaction
It decreases the reaction time
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the concentration of a solution a measure of?
The volume of the solvent
The mass of the solute
How much of a substance is dissolved in a given volume of water
The temperature of the solution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What units are usually used to quote the concentration of a solution?
mol/dm³ or g/dm³
kg/m³ or g/m³
mol/L or g/L
mol/cm³ or g/cm³
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