Chem 1212 ACS Final practice questions Questions and Correct Answers/ Latest Update / Already Graded

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Chem 1212 ACS Final practice questions
Questions and Correct Answers/ Latest
Update / Already Graded
Which of the following is an example of a Brønsted-Lowry base in
water?

A) H3O+

B) CO2

C) NH3

D) HCl

Ans: NH3


What is the temperature in Fahrenheit when it is 35*C outside?

A) 67

B) 95

C) 63

D) 75

Ans: 95


In a chemical equation, the reactants are on which side of the arrow?

A) right

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B) left

C) neither right nor left

D) both right and left

Ans: Left


What does the law of conservation of mass state?

A) all matter is equally created

B) matter changes but is not created

C) matter can be changed, and new matter can be created

D) matter can be created, but not changed

Ans: Matter changes but is not created


Which factors decree solubility of solids?

A) Heating

B) Agitation

C) Large surface area

D) Decreasing solvent

Ans: Decreasing solvent




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What information is used to calculate the quantity of solute in a
solution?

A) Molarity of the solution

B) Equivalence point

C) Limiting Reactant

D) Theoretical Yield

Ans: Molarity of the solution


How does adding salt to water affect its boiling point?

A) it increases it

B) it has no effect

C) it decreases it

D) it prevents it from boiling

Ans: it increases it


What is the effect of pressure on a liquid solution?

A) it decreases solubility

B) it increases solubility

C) it has little effect on solubility

D) it has the same effect as with a gaseous solution

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