Questions 12-19 is from the youtube clip above. You can watch the clip as many times as you need to.
Question 12
12.
What type of reaction takes place when aluminum combines with iodine
Question 13
13.
Give the name of the reaction that produces oxygen and glucose
Question 14
14.
What type reaction is the opposite of synthesis a reaction
Question 15
15.
Write out the names of the products when hydrogen peroxide decomposes
Question 16
16.
Briefly explain how a decomposition reaction is used in airbags in cars
Question 17
17.
During the single displacement reaction of copper with silver nitrate. Name two things that you see that is evidence that a chemical reaction takes place
Question 18
18.
Describe how a double displacement reaction takes place
Question 19
19.
Which two elements swap places when potassium iodide is added to lead (ii) nitrate?
Identify this reaction:
KClO3 → KCl + O2
Neutralization
Single replacement
Decomposition
Combustion
Synthesis
Double replacement
Identify this reaction:
Cr + Fe(NO3)2 → Fe + Cr(NO3)3
Decomposition
Double replacement
Combustion
Single replacement
Synthesis
Neutralization
Which of the following could be the products of a single replacement reaction?
H2O
Mg(OH)2 and CaCl2
CO2 and H2O
Cu and FeCl2
Of the balanced chemical equations below, which one most correctly represents a combustion reaction?
CaO + H2O → Ca(OH)2
2 N2 + 3 H2 → 2 NH3
2 CH4 + 4 O2 → 2 CO2 + 4 H2O
2 Mg + O2 → 2 MgO
Of the reactions below, which one is a double-replacement reaction?
2 Mg + O2 → 2 MgO
NH4Cl → NH3 + HCl
2 N2 + 3 H2 → 2 NH3
Cd(NO3)2 + Na2S → CdS + 2 NaNO3
Which of the following reactants could cause a combustion reaction?
CH3OH and O2
KMnO4 and HCl
Cu and FeNO3
Mg and Cl
Which of the following are decomposition reactions?
CH4 (g) + O2(g) → CO2(g) + H2O (l)
CaO (s) + CO2(g) → CaCO3 (s)
Mg (s) + O2(g) → MgO (s)
PbCO3 (s) → PbO (s) + CO2 (g)
2 and 3
2, 3 and 4
4 only
All are decomposition reactions
Which of the following is the general formula for a decomposition reaction?
AB + CD --> AD + CB
AB + C --> A + CB
AB --> A + B
A + B --> AB
Balance the equation and identify the reaction
CH4 + O2 --> H2O + CO2
CH4 + 2 O2 --> 2H2O + CO2 double displacement
CH4 + 2O2 --> 2 H2O + CO2 combustion
2CH4 + 2O2 --> H2O + CO2 combustion
CH4 + O2 --> H2O + CO2 synthesis
Identify this reaction:
H2SO4 + Fe -->H2 + FeSO4
synthesis
double replacement
combustion
single resplacement
Neutralization
During a decomposition reaction two or more elements or compounds combine to make a more complex substance