Question 1

Which of these substances is a base?

Accepted Answer

A) NaHCO3 
B) HCl 
C) HNO3 
D) H3PO4 
E) CH3COOH 
A) NaHCO3 
B) HCl 
C) HNO3 
D) H3PO4 
E) CH3COOH

Question 2

Which of these methods of reducing SO2 emissions employs spraying limestone and water in coal smokestacks?

Accepted Answer

A) Crushing and washing 
B) Vaporizing and condensing 
C) Subliming 
D) Flue gas scrubbers 
E) None of these 
A) Crushing and washing 
B) Vaporizing and condensing 
C) Subliming 
D) Flue gas scrubbers 
E) None of these

Question 3

Rain is naturally acidic as a result of ____ gas reacting with the water.

Accepted Answer

A) SO2 
B) CO2 
C) NO2 
D) Cl2 
E) N2 
A) SO2 
B) CO2 
C) NO2 
D) Cl2 
E) N2

Question 4

Which of these gases is targeted by the 1990 Clean Air Act for a 50% reduction of emission by 2010?

Accepted Answer

A) SO2 
B) CO2 
C) NO2 
D) Cl2 
E) N2 
A) SO2 
B) CO2 
C) NO2 
D) Cl2 
E) N2

Question 5

Which of these pairs represent the products of this dissociation in water?
​
NaHCO3 = ____ + ____

Accepted Answer

A) NaOH, CO2 
B) OH − , NaCO+ 
C) NaH+2, CO32 +  
D) Na+, HCO3 −  
E) H2O, CO 
A) NaOH, CO2 
B) OH − , NaCO+ 
C) NaH+2, CO32 +  
D) Na+, HCO3 −  
E) H2O, CO

Question 6

Which of these acids is responsible for the buttery flavor of some wines?

Accepted Answer

A) Malic 
B) Citric 
C) Tartaric 
D) Acetic 
E) Lactic 
A) Malic 
B) Citric 
C) Tartaric 
D) Acetic 
E) Lactic

Question 7

Which of these substances is most basic?

Accepted Answer

A) Lemons 
B) Pure water 
C) Milk of magnesia 
D) Blood 
E) Wine 
A) Lemons 
B) Pure water 
C) Milk of magnesia 
D) Blood 
E) Wine

Question 8

Which of these statements about strong acids is correct ?

Accepted Answer

A) Acids which are concentrated. 
B) Acids which have a very high pH. 
C) Acids which dissociate 100% into ions. 
D) Acids which dissociate very little into ions. 
E) Both B and C are correct. 
A) Acids which are concentrated. 
B) Acids which have a very high pH. 
C) Acids which dissociate 100% into ions. 
D) Acids which dissociate very little into ions. 
E) Both B and C are correct.

Question 9

Which of these substances is a weak acid?

Accepted Answer

A) NH3 
B) HCOOH 
C) HCl 
D) HNO3 
E) C5H5N 
A) NH3 
B) HCOOH 
C) HCl 
D) HNO3 
E) C5H5N

Which of these substances is a base?

Which of these methods of reducing SO₂ emissions employs spraying limestone and water in coal smokestacks?

Rain is naturally acidic as a result of ____ gas reacting with the water.

Which of these gases is targeted by the 1990 Clean Air Act for a 50% reduction of emission by 2010?

Which of these pairs represent the products of this dissociation in water? NaHCO₃ = +

Which of these acids is responsible for the buttery flavor of some wines?

Which of these substances is most basic?

Which of these statements about strong acids is correct ?

Which of these substances is a weak acid?

Molecular Reasons

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Exam 13: Acids and Bases: the Molecules Responsible for Sour and Bitter

Which of these substances is a base?

Which of these methods of reducing SO2 emissions employs spraying limestone and water in coal smokestacks?

Rain is naturally acidic as a result of ____ gas reacting with the water.

Which of these gases is targeted by the 1990 Clean Air Act for a 50% reduction of emission by 2010?

Which of these pairs represent the products of this dissociation in water? ​ NaHCO3 = ____ + ____

Which of these acids is responsible for the buttery flavor of some wines?

Which of these substances is most basic?

Which of these statements about strong acids is correct ?

Which of these substances is a weak acid?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Which of these methods of reducing SO₂ emissions employs spraying limestone and water in coal smokestacks?

Which of these pairs represent the products of this dissociation in water? NaHCO₃ = +