Chapter 6 and 7 Review

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)

Tags

NGSS.HS-PS1-7

What is the result of the reaction between potassium bromide and ammonium sulfide?

• potassium sulfide precipitates
• ammonium bromide precipitates
• potassium ammonium precipitates
• no precipitate is formed

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

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

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

• silver and nitrate
• sodium and chloride
• sodium and nitrate
• silver and chloride

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)
 

• Cu²⁺ and OH^1-
• Na²⁺ and Cl^2-
• Na¹⁺ and Cl^1-
• Na¹⁺ and OH^1-

Which of these results in the formation of a precipitate?

• AgNO₃(aq)  +  NaOH(aq)→
• BaNO₃(aq)  +  CaCl₂(aq)→
• NaNO₃(aq)  +  KOH(aq)→
• More than one of these form precipitates

Which of these results in formation of a precipitate?

• BaNO₃(aq)  +  NaCl(aq)→
• KNO₃(aq)  +  LiOH(aq)→
• Zn(NO₃)₂(aq)  +  NaOH(aq)→
• NaNO₃(aq)  +  Ba(OH)₂(aq)→

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes
• No

Tags

NGSS.HS-PS1-7

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Tags

NGSS.HS-PS1-7

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

• 1,1,2,1
• 1,1,1,2
• 1,2,1,1
• 2,1,1,1

Tags

NGSS.HS-PS1-7