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Chemical Calculations MCQs with Answers. We covered all the Chemical Calculations MCQs with Answers in this post for free so that you can practice well for the exam.
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MCQ on Chemical Calculations for Students
What does the downward arrow symbolize in a chemical reaction?
a. Gas
b. Precipitate
c. Liquid
d. Crystals
Option b – Precipitate
The branch of chemistry that deals with the quantitative relationships in chemical reactions is known as:
a. Stoichiometry
b. Electrometry
c. Volumetry
d. None
Option a – Stoichiometry
What is indicated by the upward arrow in a chemical reaction?
a. Gas
b. Precipitate
c. Liquid
d. Crystals
Option a – Gas
Weight–volume relationships are based on which of the following concepts?
a. Volume of one mole of gas at 30°C and 1000 mm Hg
b. Volume of one mole of gas at standard temperature and pressure
c. Volume of two moles of gas at standard conditions
d. Volume of one mole of liquid at standard temperature and pressure
Option b – Volume of one mole of gas at standard temperature and pressure
A chemical equation serves as a condensed representation of:
a. Only the reactants involved in the reaction
b. Only the products formed in the reaction
c. Both reactants and products involved in the reaction
d. Only the volumes of gases under standard conditions
Option c – Both reactants and products involved in the reaction
Volume-to-volume relationships in chemical reactions are explained by which scientist’s hypothesis?
a. Boyle
b. Charles
c. Gay-Lussac
d. Avogadro
Option d – Avogadro
We covered all the chemical calculations MCQs with answers above in this post for free so that you can practice well for the exam.
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