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Steps and guide to answer Chemistry (Paper 3 - Section B) Report Writing. Consists of 3 experiments from Chapter 3, Form 4.
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EXPERIMENT 2 (CHAPTER 4) Periodic Table Of Element
EXPERIMENT 3(CHAPTER 4) Periodic Table Of Element
Aim:To investigate the effect of the presence presence of impurity to Problem statement : How does the presence of ______________ affect the _________________ of ________________ ? Variable: Manipulated : Responding : Controlled : Hypothesis :
Aim : To investigate the reaction of alkali metal with water Problem statement : How does reactivity of Group 1 elements change when they react with water? Variable: Manipulated : Responding : Controlled : Hypothesis :
Aim: To investigate the reaction of alkali metals with oxygen / chlorine Problem statement : How do alkali metals react with oxygen / chlorine?
EXPERIMENT 4 (CHAPTER 4) PERIODIC TABLE OF ELEMENT
EXPERIMENT 5 (CHAPTER 6) ELECTROCHEMISTRY
EXPERIMENT 6 (CHAPTER 6) ELECTROCHEMISTRY
Aim : To investigation the reaction of halogens with iron Problem statement : How does reactivity of halogens change when they react with iron? Variable Manipulated : Responding : Controlled : Hypothesis :The reactivity of halogens decreases down the group from chlorine to bromine when they react with iron. Materials:
Aim : To investigate the effect of concentration of ions on the selective discharge of ion at the electrodes of aqueous hydrochloric acid. Problem statement : How does the concentration concentration of ions ion s in hydrochloric acid affect the discharge of ions at the anode? Variable Manipulated : Responding : Controlled : Hypothesis : When the concentration of chloride ion is higher, then the chloride ion will be preferentially discharge. Materials:
Aim :To investigate the effect of the types of electrodes on the products of electrolysis of aqueous copper(II) sulphate solution. Problem statement : How does the type of products formed during the electrolysis? Variable Manipulated : Responding : Controlled : Hypothesis : When copper electrodes are used instead of carbon electrodes, the types of products formed at the anode are different. Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure :
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
EXPERIMENT 7 (CHAPTER 6) ELECTROCHEMISTRY
EXPERIMENT 8 (CHAPTER 6) ELECTROCHEMISTRY
Aim :To construct the electrochemical series based on potential differences between metals. Problem statement : Can an electrochemical series of metals be contrasted based on the potential difference difference between two metals? Variable: Manipulated : Responding : Controlled :
Aim :To construct the electrochemical series using the principle of displacement of metals Problem statement : How can the electrochemical series of metals be constructed based on the di splacement splacement metals? Variable: Manipulated : Responding : Controlled :
EXPERIMENT 9 (CHAPTER 7) ACID AND BASES Aim:To investigate the role of water in showing their properties of acids. Problem statement : Is water needed for an acid to show its acidic properties?
Variable: Manipulated : Responding : Controlled :
Hypothesis : The further apart the two metals in the Hypothesis : the greater the number of m etals that can be electrochemical series, the greater the potential difference displaced by a metal from their solution, the higher is its produced/ the voltage produce position in the electrochemical electrochemical series. Materials: Materials:
Hypothesis : An acid will show its acidic properties when dissolved in water Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure:
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
EXPERIMENT 10 (CHAPTER 7) ACID AND BASES
EXPERIMENT 11 (CHAPTER 7) ACID AND BASES SPM 09
EXPERIMENT 12(CHAPTER 8) SALTS
Aim: To investigate the role of water in showing their
Aim : To investigate the relationship between pH values with molarity of acid Problem statement : What is the relationship between pH values with m olarity of an acid? Variable: Manipulated : Responding : Controlled :
Aim: To construct the ionic equation for the formation of lead (II) chromate(VI) Problem statement : How to construct an ionic equation for the formation of lead(II)chromate(VI)? Variable: Manipulated : Responding : Controlled :
Hypothesis :
Hypothesis : When the molarity of an acid increase, its pH value decrease.
Materials:
Materials:
Hypothesis : As the volume of potassium chromate(VI) solution increase, the height of the yellow precipitate increase until all the lead(II) nitrate has reacted Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure :
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
properties of alkali Problem statement : Is water needed for an alkali to show its alkaline properties?
Variable: Manipulated : Responding : Controlled :
EXPERIMENT 13 (CHAPTER 9)
EXPERIMENT 14 (CHAPTER 9)
MANUFACTION SUBST. IN INDUSTRY
MANUFACTION SUBST. IN INDUSTRY
EXPERIMENT 15(CHAPTER 10) RATE OF REACTION
Aim: To compare the hardness of pure metal and its alloy Problem statement : Are alloys harder than pure metal? (Is bronze harder than copper) Variable: Manipulated : Responding : Controlled :
Aim :To compare the rate of rusting between iron, steel and stainless steel. Problem statement : How does the rate of rusting between iron, steel and stainless steel differ? Variable: Manipulated : Responding : Controlled :
Aim: To investigate the effect of total area(size) of solid reactants on the rate of reaction. Problem statement :
Hypothesis :
Hypothesis :
Materials:
Hypothesis : Iron rust faster thant steel and steel rust faster than stainless Materials:
Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure :
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
Variable: Manipulated : Responding : Controlled :
EXPERIMENT 16 (CHAPTER 10) RATE OF REACTION
EXPERIMENT 17 (CHAPTER 10) RATE OF REACTION
EXPERIMENT 18 (CHAPTER 10) RATE OF REACTION SPM 2010
Aim: To investigate the effect of concentration on the
Aim : To investigate the effect of temperature on the
rate of reaction Problem statement :
rate of reaction Problem statement :
Aim: To investigate the effect of catalyst on the rate of reaction Problem statement : How does a catalyst affect the rate of reaction?
Variable: Manipulated : Responding : Controlled :
Variable: Manipulated : Responding : Controlled :
Variable: Manipulated : Responding : Controlled :
Hypothesis :
Hypothesis :
Hypothesis :
Materials:
Materials:
Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure :
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
EXPERIMENT 20 (CHAPTER 11) CARBON COMPOUNDS
EXPERIMENT 21 (CHAPTER 12) OXIDATION & REDUCTION
EXPERIMENT 22(CHAPTER 13) THERMOCHEMISTRY
Aim : To compare the elasticity of vulcanized rubber and unvulcanized rubber Problem statement : Is vulcanized rubber more elastic than unvulcanized rubber? Variable: Manipulated : Responding : Controlled :
Aim: To investigate the effect of other metals on rusting Problem statement : How do different types of metals in contact with iron affect rusting? Variable: Manipulated : Responding : Controlled :
Hypothesis : Vulcanized rubber is more elastic than unvulcanized rubber. Materials:
Hypothesis : When a more electropositive electropositive metals is in contact with iron, it inhibits rusting. When a less electronegative metal, in contact with iron, it speed up rusting. Materials:
Materials:
Apparatus :
Apparatus :
Apparatus :
Procedure :
Procedure :
Procedure :
Tabulation data :
Tabulation data :
Tabulation data :
Aim: To determine the heat of combustion of various liquid alcohol Problem statement : Does alcohol with more carbon atoms p er molecule have a higher heat of combustion?
Variable: Manipulated : Responding : Controlled : Hypothesis : The higher the number of carbon atoms in the molecules, the higher is the heat of combustion.
