Question 1

Complete and balance the equation: Zn + AgNO3(aq) $\to$________

Accepted Answer

Zn + 2AgNO₃

Question 2

One mole of aluminum consists of ______________ aluminum atoms.

Accepted Answer

The answer of One mole of aluminum consists of ______________...

Question 3

By definition, the gain of electrons by an atom or ion is called

Accepted Answer

A)  neutralization. 
B)  reduction. 
C)  oxidation. 
D)  displacement. 
A)  neutralization. 
B)  reduction. 
C)  oxidation. 
D)  displacement.

Question 4

If two clear solutions are mixed and solid particles form, the particles are called a(n) ______________.

Accepted Answer

The answer of If two clear solutions are mixed and...

Question 5

Water solutions of which of the following are basic?

Accepted Answer

A)  Soft drinks 
B)  Baking soda 
C)  Lemonade 
D)  Vinegar 
A)  Soft drinks 
B)  Baking soda 
C)  Lemonade 
D)  Vinegar

Question 6

The substances that are diminished in a chemical reaction are called the

Accepted Answer

A)  products. 
B)  reactants. 
C)  chemicals. 
D)  precipitates. 
A)  products. 
B)  reactants. 
C)  chemicals. 
D)  precipitates.

Question 7

The loss of oxygen or gain of electrons by an atom or ion is called ______________.

Accepted Answer

The answer of The loss of oxygen or gain of...

Question 8

The compound Mg(OH)2 is commonly known as

Accepted Answer

A)  Epsom salt. 
B)  Alka-Seltzer. 
C)  smelling salts. 
D)  milk of magnesia. 
A)  Epsom salt. 
B)  Alka-Seltzer. 
C)  smelling salts. 
D)  milk of magnesia.

Question 9

How many atoms of oxygen are in 1.00 mol of sulfur dioxide, SO2?

Accepted Answer

A)  64.1 
B)  64.1 $\times$ 6.02 $\times$1023 
C)  12.0 $\times$ 1023 
D)  6.02 $\times$ 1023 
A)  64.1 
B)  64.1 $\times$ 6.02 $\times$1023 
C)  12.0 $\times$ 1023 
D)  6.02 $\times$ 1023

Question 10

An ionic compound composed of a cation other than H+ and an anion other than OH- is called a(n)

Accepted Answer

A)  salt. 
B)  precipitate. 
C)  conjugate base. 
D)  electrolyte. 
A)  salt. 
B)  precipitate. 
C)  conjugate base. 
D)  electrolyte.

Question 11

In order, from top to bottom, in the activity series come Li, K, Ba, Na, Al, Zn, Sn, and Pb. Therefore,

Accepted Answer

A)  tin is more active than lead. 
B)  zinc is more active than aluminum. 
C)  potassium is more active than lithium. 
D)  sodium is more active than barium. 
A)  tin is more active than lead. 
B)  zinc is more active than aluminum. 
C)  potassium is more active than lithium. 
D)  sodium is more active than barium.

Question 12

By definition, the addition of oxygen to a substance is called

Accepted Answer

A)  neutralization. 
B)  reduction. 
C)  oxidation. 
D)  displacement. 
A)  neutralization. 
B)  reduction. 
C)  oxidation. 
D)  displacement.

Question 13

Which answer is incorrect? A base is a substance that, when dissolved in water,

Accepted Answer

A)  reacts with an acid to neutralize its properties. 
B)  reacts with many metals to liberate O2. 
C)  changes the color of litmus dye from red to blue. 
D)  conducts electricity. 
A)  reacts with an acid to neutralize its properties. 
B)  reacts with many metals to liberate O2. 
C)  changes the color of litmus dye from red to blue. 
D)  conducts electricity.

Question 14

Which type of reaction is Zn + 2HCl $\to$  ZnCl2 + H2?

Accepted Answer

A)  Decomposition 
B)  Combination 
C)  Double-replacement 
D)  Single-replacement 
A)  Decomposition 
B)  Combination 
C)  Double-replacement 
D)  Single-replacement

Question 15

When the forward and reverse reactions are proceeding at the same rate, the reaction is said to have reached ______________.

Accepted Answer

The answer of When the forward and reverse reactions are...

Question 16

Hydrogen gas would be a product of the reaction of

Accepted Answer

A)  vinegar and baking soda. 
B)  iron and hydrochloric acid. 
C)  oxygen and methane. 
D)  HCl and NaOH. 
A)  vinegar and baking soda. 
B)  iron and hydrochloric acid. 
C)  oxygen and methane. 
D)  HCl and NaOH.

Question 17

The peculiar odor noticed close to electrical sparking is due to the chemical called ______________, which has the formula ______________.

Accepted Answer

The answer of The peculiar odor noticed close to electrical...

Question 18

When the equation Al + O2$\to$ Al2O3 is balanced, the coefficient of Al2O3 is

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 19

In the reaction between HCl and Na2CO3, which gas is formed?

Accepted Answer

A)  H2 
B)  CH4 
C)  CO2 
D)  O2 
A)  H2 
B)  CH4 
C)  CO2 
D)  O2

Question 20

When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and ______________.

Accepted Answer

Complete and balance the equation: Zn + AgNO₃(aq) $\to$ ________

One mole of aluminum consists of ______________ aluminum atoms.

By definition, the gain of electrons by an atom or ion is called

If two clear solutions are mixed and solid particles form, the particles are called a(n) ______________.

Water solutions of which of the following are basic?

The substances that are diminished in a chemical reaction are called the

The loss of oxygen or gain of electrons by an atom or ion is called ______________.

The compound Mg(OH)₂ is commonly known as

How many atoms of oxygen are in 1.00 mol of sulfur dioxide, SO₂?

An ionic compound composed of a cation other than H⁺and an anion other than OH^- is called a(n)

In order, from top to bottom, in the activity series come Li, K, Ba, Na, Al, Zn, Sn, and Pb. Therefore,

By definition, the addition of oxygen to a substance is called

Which answer is incorrect? A base is a substance that, when dissolved in water,

Which type of reaction is Zn + 2HCl $\to$ ZnCl₂ + H₂?

When the forward and reverse reactions are proceeding at the same rate, the reaction is said to have reached ______________.

Hydrogen gas would be a product of the reaction of

The peculiar odor noticed close to electrical sparking is due to the chemical called , which has the formula .

When the equation Al + O₂ $\to$ Al₂O₃is balanced, the coefficient of Al₂O₃is

In the reaction between HCl and Na₂CO₃, which gas is formed?

When aqueous solutions of Na₂CO₃ and BaCl₂ are mixed, the products are NaCl and ______________.

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Exam 13: The Solar System

Complete and balance the equation: Zn + AgNO3(aq) →\to→ ________

One mole of aluminum consists of ______________ aluminum atoms.

By definition, the gain of electrons by an atom or ion is called

If two clear solutions are mixed and solid particles form, the particles are called a(n) ______________.

Water solutions of which of the following are basic?

The substances that are diminished in a chemical reaction are called the

The loss of oxygen or gain of electrons by an atom or ion is called ______________.

The compound Mg(OH)2 is commonly known as

How many atoms of oxygen are in 1.00 mol of sulfur dioxide, SO2?

An ionic compound composed of a cation other than H+ and an anion other than OH- is called a(n)

In order, from top to bottom, in the activity series come Li, K, Ba, Na, Al, Zn, Sn, and Pb. Therefore,

By definition, the addition of oxygen to a substance is called

Which answer is incorrect? A base is a substance that, when dissolved in water,

Which type of reaction is Zn + 2HCl →\to→ ZnCl2 + H2?

When the forward and reverse reactions are proceeding at the same rate, the reaction is said to have reached ______________.

Hydrogen gas would be a product of the reaction of

The peculiar odor noticed close to electrical sparking is due to the chemical called ______________, which has the formula ______________.

When the equation Al + O2 →\to→ Al2O3 is balanced, the coefficient of Al2O3 is

In the reaction between HCl and Na2CO3, which gas is formed?

When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and ______________.

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

Complete and balance the equation: Zn + AgNO₃(aq) $\to$ ________

The compound Mg(OH)₂ is commonly known as

How many atoms of oxygen are in 1.00 mol of sulfur dioxide, SO₂?

An ionic compound composed of a cation other than H⁺and an anion other than OH^- is called a(n)

Which type of reaction is Zn + 2HCl $\to$ ZnCl₂ + H₂?

The peculiar odor noticed close to electrical sparking is due to the chemical called , which has the formula .

When the equation Al + O₂ $\to$ Al₂O₃is balanced, the coefficient of Al₂O₃is

In the reaction between HCl and Na₂CO₃, which gas is formed?

When aqueous solutions of Na₂CO₃ and BaCl₂ are mixed, the products are NaCl and ______________.