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Common Mistakes &Answering Techniques
Paper 2 & 3
4541 /24541 /3
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Paper 2 (Subjective)Types of Questions
a. Section A (Structured)b. Section B and C (Essay)
No. Of Questionsa. Section A ( 6 7 questions answer all )b. Section B and C ( 2 questions
choose one
in each section )Time : 2 hours
Level of DifficultyLow : Moderate : High5 : 3 : 2
50% : 30% : 20%
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Paper 3 (Subjective)Types of Questions
1-2 Questions (Structured)1 Question (Planning Experiment)(Answer All)Time : 1 hours
Level of DifficultyLow : Moderate : High5 : 3 : 2
25% : 15% : 10%Construct of questions : 18 componentEach Component = max. 3%3 x 18 = 48%
Top up 2% based on score in the last question.
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Common Mistakes in Diagram
And Drawing
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Sketching Diagram of Cooling / Heatingcurve of substace
Topic : Form 4 Structure of Atom
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Apparatus on Reduction of OxidesTopic : Form 4 Empirical Formula
Form 5 Reactivity Series
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Apparatus on Titration
Topic : Form 4 Acid & Base
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Apparatus on Heating Process
Topic : Form 4 - Salt
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Sketching Diagram of arrangement inatoms for pure metals & alloys
Topic : Form 4 Manufactured Substancein Industry
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Sketching Diagram of arrangement inatoms for pure metals & alloys
Topic : Form 4 Manufactured Substancein Industry
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Apparatus on Displacement of water tocollect gas released
Topic : Form 5 Rates of Reaction
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Sketching Diagram of Rates of ReactionTopic : Form 5 Rates of Reaction
Experiment I : Calcium carbonates powders+ AcidExperiment II : Calcium carbonates chips + Acid
Mass of CaCO3 , concentration and volume of acidAre constant.
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Sketching Diagram of Rates of ReactionTopic : Form 5 Rates of Reaction
Experiment I : Calcium carbonates powders+ AcidExperiment II : Calcium carbonates chips + Acid
Mass of CaCO3 , concentration and volume of acidAre constant.
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Drawing Structural Formula forhydrocarbons
Topic : Form 5
carbon compounds
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Drawing Structural Formula forhydrocarbons
Topic : Form 5
carbon compounds
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Drawing Structural Formula forhydrocarbons
Topic : Form 5
carbon compounds
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Drawing Structural Formula foralcohol
Topic : Form 5
carbon compounds
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Sketching Diagram of arrangement inatoms for Vulcanised rubber
Topic : Form 5
carbon compounds
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Apparatus on U-TubeTopic : Form 5 Redox Reaction
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Apparatus on Oxidation on MetalsTopic : Form 5 Reactivity Series
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Apparatus on Heat Of CombustionTopic : Form 5 Thermochemistry
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Diagram on Dehydartion of Alcohol
How to collect the gas?
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Reading diagram in Paper 3
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Reading diagram in Paper 3
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Reading diagram in Paper 3
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Reading diagram in Paper 3
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Reading diagram in Paper 3