Question 1

When magnesium burns in air,what are the main products?

Accepted Answer

Magnesium

Question 2

Boron nitride is produced from the reaction of

Accepted Answer

A) B(s)and HCN(g). 
B) B(s)and NH3(g). 
C) B2O3(s)and NH3(g). 
D) B2H6(g)and N2(g). 
E) B(s)and N2(g). 
A) B(s)and HCN(g). 
B) B(s)and NH3(g). 
C) B2O3(s)and NH3(g). 
D) B2H6(g)and N2(g). 
E) B(s)and N2(g).

Question 3

Hydrazine is used to eliminate dissolved,corrosive oxygen from the water used in high-pressure,high-temperature steam furnaces.In this reaction,the oxidation state of nitrogen in hydrazine changes from _____ to _____ .

Accepted Answer

N₂H₄(aq)+ O₂(g)F1F1F1S1

Question 4

Which of the following is an acidic oxide?

Accepted Answer

A) CaO(s) 
B) MgO(s) 
C) Bi2O3(s) 
D) Na2O(s) 
E) SiO2(s) 
A) CaO(s) 
B) MgO(s) 
C) Bi2O3(s) 
D) Na2O(s) 
E) SiO2(s)

Question 5

Which of the following is a saline carbide?

Accepted Answer

A) SiC 
B) CaC2  
C) Mo2C 
D) Fe3C 
E) W2C 
A) SiC 
B) CaC2  
C) Mo2C 
D) Fe3C 
E) W2C

Question 6

Both the hydride ion and sodium metal reduce water.True or false?

Accepted Answer

A) True 
 B)False

When magnesium burns in air,what are the main products?

Boron nitride is produced from the reaction of

Hydrazine is used to eliminate dissolved,corrosive oxygen from the water used in high-pressure,high-temperature steam furnaces.In this reaction,the oxidation state of nitrogen in hydrazine changes from _ to _ .

Which of the following is an acidic oxide?

Which of the following is a saline carbide?

Both the hydride ion and sodium metal reduce water.True or false?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

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Exam 16: The Elements: the Main Group Elements

When magnesium burns in air,what are the main products?

Boron nitride is produced from the reaction of

Hydrazine is used to eliminate dissolved,corrosive oxygen from the water used in high-pressure,high-temperature steam furnaces.In this reaction,the oxidation state of nitrogen in hydrazine changes from _____ to _____ .

Which of the following is an acidic oxide?

Which of the following is a saline carbide?

Both the hydride ion and sodium metal reduce water.True or false?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Hydrazine is used to eliminate dissolved,corrosive oxygen from the water used in high-pressure,high-temperature steam furnaces.In this reaction,the oxidation state of nitrogen in hydrazine changes from _ to _ .