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Types of Chemical Reactions
Types of Chemical Reactions
Chemistry
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Chemical Equations
Types of Chemical Reactions
Energy Changes and Corrosion
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High School (9–10)
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13 problems
Type:
Any
Conceptual
1.
Which of these are redox reactions? Give the reason for each.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
2.
Name the oxidising agent and the reducing agent in each.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
3.
A cut apple turns brown, and a piece of iron turns reddish brown in damp air.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
4.
In each reaction, name the substance that is oxidised and the one that is reduced.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
5.
Colourless lead nitrate solution is mixed with colourless potassium iodide solution, and a bright…
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
6.
An iron nail is kept in blue copper sulphate solution.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Easy
7.
Use the reactivity series to say whether a reaction takes place.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
8.
Quicklime, CaO, is added to water to make slaked lime.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
9.
Name the kind of energy that causes each decomposition.
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Medium
10.
Name the type of each reaction. 2CO + O₂ → 2CO₂; 2HgO → 2Hg + O₂; Mg + CuSO₄ → MgSO₄ + Cu; KCl +…
High School (9–10), General · Types of Chemical Reactions
StemPy Lab
Easy
11.
Name the reactants and the products in each, and write the word equation.
High School (9–10), General · Chemical Equations, Types of Chemical Reactions
StemPy Lab
Easy
12.
Name the sign of a chemical reaction that you see in each case.
High School (9–10), General · Chemical Equations, Types of Chemical Reactions
StemPy Lab
Easy
13.
Say whether each change is physical or chemical.
High School (9–10), General · Chemical Equations, Types of Chemical Reactions
StemPy Lab
Easy