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26 questions
What will the balanced equation be if you react:
CaCl2 + NaOH
CaCl2 + 2 NaOH --> Ca(OH)2 + 2 NaCl
CaCl2 + 2 NaOH --> CaOH + 2 NaCl
CaCl2 + 2 NaOH --> CaNa2 + 2 ClOH
no reaction
What is the precipitate formed between CaCl2 and NaOH?
CaCl2
NaOH
Ca(OH)2
NaCl
no precipitate is formed
Will the reaction between NaOH and KCl occur?
Yes
No
Mark the indicators of a double displacement reaction.
Water is formed
gas is formed
a precipitate is formed
a phase change occurs
none of these are correct
Will the reaction between Cu(NO3)2 and K2SO4 happen?
yes
no
Which equation is a double displacement reaction?
Cl2 + 2KI --> 2KCl
Fe + O2 --> Fe2O3
CaCO3 --> CO2 + CaO
CaCO3 + 2HCl --> CaCl2 + H2CO3
What are the products for a reaction between KCl and AgNO3
KAg + ClNO3
KCl + AgNO3
KNO3 + AgCl
no reaction occurs
What is the correct products for a reaction between NaNO3 and CuCl2
NaCu + ClNO3
NaCl + Cu(NO3)2
NaNO3 + CuCl2
No reaction occurs
Identify the single replacement reaction
Cl2 + 2KI --> 2 KCl + I2
Fe + O2 --> Fe2O3
CaCO3 --> CaO + CO2
2P + 5O2 --> P2O5
Identify the decomposition reaction
Cl2 + 2KI --> 2 KCl + I2
Fe + O2 --> Fe2O3
CaCO3 --> CaO + CO2
2P + 5O2 --> P2O5
Which equation is a double displacement reaction?
Cl2 + 2KI --> 2KCl
Fe + O2 --> Fe2O3
CaCO3 --> CO2 + CaO
CaCO3 + 2HCl --> CaCl2 + H2CO3
Predict the products:
Mg(NO3)2 + CaCl2 →
Mg(NO3)2 + CaCl2
MgCa + Cl2(NO3)2
Ca(NO3)2 + MgCl2
CaNO3 + MgCl
Which among the following is(are) double displacement
reaction(s)?
(i) Pb + CuCl2 --> PbCl2 + Cu
(ii) Na2SO4 + BaCl2 --> BaSO4 + 2NaCl
(iii) C + O2 --> CO2
(iv) CH4 + 2O2 --> CO2 + 2H2O
(a) (i) and (iv)
(b) (ii) only
(c) (i) and (ii)
(d) (iii) and (iv)
Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction
(a) (i) only
(b) (ii) only
(c) (iv) only
(d) (ii) and (iv)
(ppt)
What is the state of matter symbol for a soluble compound?
(ppt)
(aq)
(g)
(l)
Is AgCl (silver chloride) soluble or insoluble?
Soluble
Insoluble
Neither
Both
NaC2H3O2 (sodium acetate) is ...
soluble
insoluble
Zinc hydroxide, Zn(OH)2 is ...
Soluble
Insoluble
The anion in NaC2H3O2 is
Na+
O2-
C2H3O2-
Na-
The cation in H2SO4 is
H2
H+
SO42-
O4
Predict the product(s) of this reaction (Don't worry about balancing the equation)
Pb(NO3)2 + KI →
PbK(s) + INO3(aq)
No Reaction
PbI2(s) + KNO3(aq)
PbI2(aq) + KNO3(s)
Predict the products:
NaOH + Fe(NO3)3 →
NaFe(s) + OH(NO3)3(aq)
NaNO3(s) + Fe(OH)3(s)
No reaction
NaNO3(aq) + Fe(OH)3(s)
Complete the following reaction:
HCl + Mg(OH)2 -->
MgCl2 + H2O
Mg +H2O
MgCl2 + H2
MgCl2 + H2O + CO2
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