Chemistry January Revision

Quiz
•
Chemistry
•
11th Grade
•
Medium
Tan Hing Huang
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following shows a reaction between magnesium metal and copper (II) sulphate solution.
Mg + CuSO4 --> MgSO4 + Cu
Which of the following is true?
MgSO4 undergoes oxidation.
The oxidation number of Cu increases from 0 to +2.
One of the observation is the blue solution turns colourless.
CuSO4 is a reducing agent.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The following shows a reaction.
HCl + NaOH --> NaCl + H2O
Which chemical is the oxidising agent in this redox reaction?
HCl
NaOH
NaCl
H2O
This is not a redox reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following chemical is an oxidising agent?
Sodium iodide solution
Acidified potassium manganate (VII) solution
Potassium bromide solution
Sulphur dioxide gas
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following pairs of chemicals will have reaction?
Magnesium and zinc sulphate solution
Copper and silver nitrate solution
Aluminium and magnesium chloride solution
Zinc and copper (II) sulphate solution
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the colour of iodine in 1,1,1-trichloroethane solution?
Yellow
Brown
Purple
Black
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