AP Chemistry Quiz 4.7 & 4.8

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate 

Tags

NGSS.HS-PS1-2

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)

In the reaction Zn + H₂O → ZnO₂ + H₂ which element is oxidized? 

• Zinc
• Hydrogen
• Oxygen
• None

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is oxidation number of P in K₃PO₄?

• +1
• +5
• -2
• 0

Tags

NGSS.HS-PS1-1

The sum of all oxidation numbers in a neutral compound is ___.

• 0
• 1
• -1
• depends on the compound

If an atom loses electrons during a chemical reaction, the atom was:

• Oxidized
• Reduced
• Neutralized
• Precipitated

Tags

NGSS.HS-PS1-2

Which of the following is an Arrhenius Acid?

• LiOH

• CO₃^2-

• OH^-

• H₃PO₄

In this reaction...

CH₃NH₂ + H₂O ↔ CH₃NH₃⁺ + OH^-

CH₃NH₂ can be classified as which of the following? (HINT...follow the H⁺!!!)

• A Brønsted-Lowry base

• A Brønsted-Lowry acid

• An Arrhenius acid

• An Arrhenius base

The conjugate base of H₂SO₄ is ___.

• H₂SO₃

• HSO₄^-1

• H₃SO₄⁺¹

• SO₄^-2

NH₃ + H₂O ↔ NH₄⁺ + OH^-

What is H₂O in this reaction?

• acid

• base

• conjugate acid

• conjugate base