HESI Chemistry Practice Test 2

Question 1

All of the following factors influence the pace of a chemical reaction except?

Accepted Answer

Amount of mass lost

Answer

Presence of catalysts

Answer

Surface area

Answer

Temperature

Question 2

Which of the following statements about most metals is false?

Accepted Answer

They are gases at room temperature

Answer

They are ductile

Answer

They make up the majority of elements on the periodic table

Answer

None of the above

Question 3

Which of the following elements does not appear on the periodic table?

Accepted Answer

Magnesium oxide

Answer

Chlorine

Answer

Bromine

Answer

Phosphorous

Question 4

Lisa prepares soup by combining spices in a saucepan of boiling water and stirring until the spices are completely dissolved. She then adds a variety of diced veggies. What is the solute in her mixture?

Accepted Answer

Spices

Answer

Heat

Answer

Water

Answer

Vegetables

Question 5

Using the Lewis-dot structure model, how many dots would carbon have?

Accepted Answer

4

Answer

2

Answer

8

Answer

6

Question 6

Which of the following would produce Hydrogen ions in an aqueous solution and would turn a litmus test from blue to red?

Accepted Answer

Vinegar

Answer

Ammonia

Answer

Lye

Answer

Detergent

Question 7

Dihydrogen monoxide is better known as what?

Accepted Answer

Water

Answer

Hydrogen peroxide

Answer

Iodine

Answer

Table salt

Question 8

What is the most abundant element in Earth’s crust?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Carbon

Answer

Nitrogen

Question 9

What is the most abundant element in the universe?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Nitrogen

Answer

Helium

Question 10

Which one of the following elements is liquid at room temperature?

Accepted Answer

Mercury

Answer

Manganese

Answer

Magnesium

Answer

Zinc