Question 1

Which of the following is not a polysaccharide?

Accepted Answer

A) Cellulose 
B) Starches 
C) Glucose 
D) Glycogen 
A) Cellulose 
B) Starches 
C) Glucose 
D) Glycogen

Question 2

Which of the following orbits the nucleus of an atom?

Accepted Answer

A) Neutron 
B) Electron 
C) Proton 
D) Gamma particle 
A) Neutron 
B) Electron 
C) Proton 
D) Gamma particle

Question 3

Which of the following describes a catalyst?

Accepted Answer

A) A substance that slows down a reaction. 
B) A substance that increases the rate of a chemical reaction 
C) A gas that evolves from the reaction 
D) A solid that precipitates out of a reaction 
A) A substance that slows down a reaction. 
B) A substance that increases the rate of a chemical reaction 
C) A gas that evolves from the reaction 
D) A solid that precipitates out of a reaction

Question 4

What is 540 Kelvin in degrees Celsius?

Accepted Answer

A) 266.85 °C 
B) 813.15°C 
C) 366.85 °C 
D) 713.15 °C 
A) 266.85 °C 
B) 813.15°C 
C) 366.85 °C 
D) 713.15 °C

Question 5

Which of the following types of chemicals participates in a double replacement reaction?

Accepted Answer

A) Diatomic molecules 
B) Molecular compounds 
C) Elements 
D) Ionic compounds 
A) Diatomic molecules 
B) Molecular compounds 
C) Elements 
D) Ionic compounds

Question 6

What functional group do fatty acids contain?

Accepted Answer

A) Phenols 
B) Hydrochloric acid 
C) Amine 
D) Carboxylic acid 
A) Phenols 
B) Hydrochloric acid 
C) Amine 
D) Carboxylic acid

Question 7

Which of the following is the correct term for chemicals on the left side of the reaction arrow?

Accepted Answer

A) Equation 
B) Products 
C) Reactants 
D) Ions 
A) Equation 
B) Products 
C) Reactants 
D) Ions

Question 8

What is another term for a displacement reaction?

Accepted Answer

A) Decomposition 
B) Metathesis 
C) Combustion 
D) Synthesis 
A) Decomposition 
B) Metathesis 
C) Combustion 
D) Synthesis

Question 9

An atom with 7 protons, 8 neutrons, and 10 electrons has which of the following charges?

Accepted Answer

A) 0 
B) -1 
C) +3 
D) -3 
A) 0 
B) -1 
C) +3 
D) -3

Question 10

What does the mass number of an atom represent?

Accepted Answer

A) Protons, electrons, and neutrons 
B) Protons and neutrons 
C) Protons and electrons 
D) Protons 
A) Protons, electrons, and neutrons 
B) Protons and neutrons 
C) Protons and electrons 
D) Protons

Question 11

Which of the following electron sub-shells would participate in bonding with Na?

Accepted Answer

A) 2p 
B) 2s 
C) 1s 
D) 3s 
A) 2p 
B) 2s 
C) 1s 
D) 3s

Question 12

Which of the following is not a lipid?

Accepted Answer

A) Glucose 
B) Fatty acids 
C) Glycerides 
D) Steroids 
A) Glucose 
B) Fatty acids 
C) Glycerides 
D) Steroids

Question 13

Which of the following options correctly shows 4,752,100 in scientific notation?

Accepted Answer

A) 4,7521 x 106 
B) 4,7521 x 10-5 
C) 4,7521 x 10-6 
D) 4,7521 x 105 
A) 4,7521 x 106 
B) 4,7521 x 10-5 
C) 4,7521 x 10-6 
D) 4,7521 x 105

Question 14

Which of the following occurs when ice melts?

Accepted Answer

A) Water molecules lose kinetic energy. 
B) Water molecules gain kinetic energy. 
C) The kinetic energy of water molecules does not change. 
D) None of these 
A) Water molecules lose kinetic energy. 
B) Water molecules gain kinetic energy. 
C) The kinetic energy of water molecules does not change. 
D) None of these

Question 15

How many essential amino acids are there?

Accepted Answer

A) 7 
B) 9 
C) 20 
D) 11 
A) 7 
B) 9 
C) 20 
D) 11

Which of the following is not a polysaccharide?

Which of the following orbits the nucleus of an atom?

Which of the following describes a catalyst?

What is 540 Kelvin in degrees Celsius?

Which of the following types of chemicals participates in a double replacement reaction?

What functional group do fatty acids contain?

Which of the following is the correct term for chemicals on the left side of the reaction arrow?

What is another term for a displacement reaction?

An atom with 7 protons, 8 neutrons, and 10 electrons has which of the following charges?

What does the mass number of an atom represent?

Which of the following electron sub-shells would participate in bonding with Na?

Which of the following is not a lipid?

Which of the following options correctly shows 4,752,100 in scientific notation?

Which of the following occurs when ice melts?

How many essential amino acids are there?

HESI-A2-Math

HESI-A2-Vocabulary

HESI-A2-Reading

HESI-A2-Grammar

HESI-A2-Biology

HESI-A2-Physics

HESI-A2-Anatomy & Physiology

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Exam 1: HESI-A2-Chemistry

Which of the following is not a polysaccharide?

Which of the following orbits the nucleus of an atom?

Which of the following describes a catalyst?

What is 540 Kelvin in degrees Celsius?

Which of the following types of chemicals participates in a double replacement reaction?

What functional group do fatty acids contain?

Which of the following is the correct term for chemicals on the left side of the reaction arrow?

What is another term for a displacement reaction?

An atom with 7 protons, 8 neutrons, and 10 electrons has which of the following charges?

What does the mass number of an atom represent?

Which of the following electron sub-shells would participate in bonding with Na?

Which of the following is not a lipid?

Which of the following options correctly shows 4,752,100 in scientific notation?

Which of the following occurs when ice melts?

How many essential amino acids are there?

HESI-A2-Math

HESI-A2-Vocabulary

HESI-A2-Reading

HESI-A2-Grammar

HESI-A2-Biology

HESI-A2-Physics

HESI-A2-Anatomy & Physiology

Filters