Embedded Files
Hamsa/Mogana
Week 38
Discussed the question papers and answers
Hamsa/Mogana
Week 37
Exam week
Hamsa/Mogana
Week 36
Exam week
Hamsa/Mogana
Week 35:
Students learned about
- Production of electrical energy from simple cells
- Hydrogen as a fuel reacting with oxygen to generate electricity in a fuel cell
Hamsa/Mogana
Week 34
Students learned about Electrolysis :
- electrode products and the observations made during the electrolysis. [Molten, Concentrated, Diluted]
- the extraction of aluminium from bauxite
- the manufacture of chlorine, hydrogen and sodium hydroxide from concentrated aqueous sodium chloride.
- the electroplating and refining of metals
Hamsa/Mogana
Week 33
Students learned about conductors and insulators.
--> An ionic compound can conduct electricity, ways and ionic equations to show how ions form.
Hamsa /Mogana
Week 32
Test was given and discussed after marked
Hamsa /Mogana
Week 31
Revision on past year papers on topic "Redox".
Hamsa/Mogana
Week 30
==> Entered new topic chemical reaction [Redox]
-> oxidation and reduction in terms of oxygen loss/gain, electron transfer, changes in oxidation state
-> Oxidation state in terms of its use to name ions
-> Oxidising and reducing agent
Hamsa/Mogana
Week 29
==> Revision using past year paper [Preparation of salt, Cation Test / Anion Test/ Flame Test]
Hamsa/Mogana
Week 28
Experiment: Flame test, cation test and anion test
Hamsa/Mogana
Week 27
==> Preparation of salts [Soluble salt and insoluble salt]
> Insoluble base + acid
> Acid + alkali
> Precipitation
Students performed all three experiments to prepare the salts accordingly.
Hamsa/Mogana
Week 26
=> Discussed Test 2 questions and answers. Students did correction for the wrong answers according to mark scheme.
=> We continued with salts where students learnt about type of oxides [Basic, acidic, amphoteric and neutral], examples and reactions.
Experiment 1 : Practical to show the pH of oxides: www.nuffieldfoundation.org/practical-chemistry/ph-oxides
=> Students prepared salts where they able to demonstrate knowledge and understanding of preparation, separation and purification of salts.
Experiment 2: Prepare copper (II) sulfate crystals by reacting dilute sulfuric acid with copper (II) oxide.
Experiment 3: Prepare barium sulfate by reacting aqueous barium nitrate with aqueous sodium sulfate.
Hamsa/Mogana
Term 2 2018/2019
Week 25
Revision for previous chapters and sat for test 2.
Hamsa/Mogana
Term 2 2018/2019
Week 24
Students were exposed
=> characteristic properties of acids as reactions with metals, bases, carbonates and effect on litmus and methyl orange
=> characteristic properties of bases as reactions with acids and with ammonium salts and effect on litmus and methyl orange
Hamsa/Mogana
Term 2 2018/2019
Week 23
Students were exposed
(1) Experiment : Chemical garden which utilised transition metal salt into coral like substance
(2)kinesthetics learning: students were required to act out the topics they have studied so far.
Hamsa/Mogana
Term 2 2018/2019
Week 22
Students were exposed
(1) Define acids and bases in terms of proton transfer
(2)Describe the meaning of weak strong acids and bases
Hamsa/Mogana
Term 2 2018/2019
Week 21
Students were exposed
(1) to calculate stoichiometric concentrations of solutions expressed in mol/dm3
(2) to calculate the percentage yield and percentage purity
Hamsa/Mogana
Term 2 2018/2019
Week 20
Students conducted experiments as follows
1) Acid-base titration - To calculate stoichiometric concentrations of solutions expressed in mol/dm3
2) Change in mass of magnesium burning in the presence of oxygen - To calculate empirical formula and molecular formula
Hamsa/Mogana
Term 2 2018/2019
Week 19
Answers for test were discussed and students did their corrections.
We continued our lessons on stoichiometry.
- Calculate stoichiometric concentrations of solutions expressed in g/dm3 and mol/dm3
They prepared their own solutions of NaOH for titration (next lesson).
Hamsa/Mogana
Term 2 2018/2019
Week 18
- We discussed about revision and past year papers for selected subtopics pertaining to their test 1. Students sat for their test.
Hamsa/Mogana
Term 2 2018/2019
Week 17
Student were exposed to more revision questions as they sat for test following week and an experiment was conducted to apply below stated objectives.
- Use the molar gas volume, taken as 24 dm3 at room temperature and pressure to calculate moles.
- Use the relative molecular/atomic mass to calculate moles
- Calculate stoichiometric reacting masses, volumes of gases and solutions
Hamsa/Mogana
Term 2 2018/2019
Week 16
Student were exposed to more revision questions on below stated objectives because they shown some uncertainty and less confidence to solve calculation where more than one formula needed to solve a question.
- Use the molar gas volume, taken as 24 dm3 at room temperature and pressure to calculate moles.
- Use the relative molecular/atomic mass to calculate moles
- Calculate stoichiometric reacting masses, volumes of gases and solutions
Experiment to find volume of gas at RTP (Different compounds at 0.01 mole)
Hamsa/Mogana
Term 2 2018/2019
Week 15
Student were exposed to
- Use the molar gas volume, taken as 24 dm3 at room temperature and pressure to calculate moles.
- Use the relative molecular/atomic mass to calculate moles
- Calculate stoichiometric reacting masses, volumes of gases and solutions
Hamsa/Mogana
Term 2 2018/2019
Week 14
Student were exposed to
1) definition of relative atomic mass and relative molecular mass
2) calculation of Relative molecular/formular mass
3) calculation of % of purity
4)calculation involving reacting masses in simple proportions
Hamsa/Mogana
Term 1 2018/2019
Week 13
This week quiz sat by the students which related with chemical bonding and stoichiometry was discussed.
They find the quiz tough because the quiz involves the application of knowledge and critical thinking.
Hence, more questions related with the chapter were discussed in the class.
Hamsa/Mogana
Term 1 2018/2019
Week 12
This week exercise related with chemical formulae was discussed.
Students were taught to balance chemical equation.
next week, students will be sitting for a short quiz related with chemical bonding and stoichiometry.
Hamsa/Mogana
Term 1 2018/2019
Week 11
This week test 2 comprises of Topic 1-3 ( Experimental techniques, particulate of nature and atom& atom combining( upto simple covalent bond) was discussed and reflected.
Furthermore, students were entered to new chapter : STOICHIOMETRY which require them to
1. use the symbols of the elements and write the formulae of simple compunds
2. Deduce the formula of a simple compound from relative number of atoms present.
Hamsa/Mogana
Term 1 2018/2019
Week 10
This week students were sat for Test 2 which comprises of Topic 1-3 ( Experimental techniques, particulate of nature and atom& atom combining( upto simple covalent bond).
Hamsa/Mogana
Term 1 2018/2019
Week 9
This week students were exposed to covalent bond of simple molecules. They require to know the difference in properties of ionic and covalent bond. This topic very crucial for Year 10 as this will be helpful for them to understand the chemical formulae in near future.
Hamsa/Mogana
Term 1 2018/2019
Week 8
This week students were exposed to formation of negative and positive ions and ionic bond. This topic very crucial for Year 10 as this will be helpful for them to understand the chemical formulae in near future.
HAMSA/MOGANA
TERM1 2018/2019
WEEK 7
Test paper questions were discussed throughly and asked to do corrections.
This week students were exposed to topics stated below:
- atomic number (proton)
- no of electron
- nucleon number
students were also require to do poster on selected element from periodic table which was graded as assignment
HAMSA/MOGANA
TERM 1 2018/2019
WEEK 6
Students had their test 1and the following topics covered
a) Experimental techniques
Application and critical thinking questions were asked in the exam. The students found that the paper little challenging as their first attempt to the paper that comprises of paper 2, paper 4 and paper 6 questions which adapted from IGCSE papet year papers.
HAMSA/MOGANA
TERM 1 2018/2019
WEEK 5
This week
1. Quiz 1 marks given to students. Questions in Quiz 1 discussed with students and they require to do correction.
2. They were exposed to
(a) The random motion of particles in suspension as evidence for kinetic particle model of matter
(b) Describe and explain Brownian motion
(c) Describe and explain diffusion and its dependence of rate of diffusion on molecular mass
(d) state the distinguishing properties of Solid/ liquid/gas
(e) explain changes of state in term of kinetic theory
Students are expected to sit for Test 1 next week Thursday (8.35 -9.25 am).
HAMSA/MOGANA
TERM 1 2018/2019
WEEK 4
This week students
1. had revision for topic covered so far.
2. had quiz 1 for the sub-topics covered.
HAMSA/MOGANA
TERM 1 2018/2019
WEEK 3
This week students were
1. Exposed to hands-on with chromatography techniques as shown in the pictures below. They were asked to interpret chromatogram.
2. Exposed to methods of purification by the use of suitable solvent and techniques such as filtration, crystallisation and distillation.
HAMSA/MOGANA
Term 1 2018/2019
Week 2
Students were taught sub-topics as stated below:-
Criterion of purity -
1. Boiling and melting point
2. Chromatography
HAMSA/MOGANA
Term 1 2018/2019
Week 1
Students were exposed to the basic of experimental techniques. They were asked to identify the apparatus and relate those apparatus with measurement of time, mass and volume.
Students were also exposed to understand types of particles (atom, molecule, compound, mixture and elements) and to distinguish terms such as solvent, solute, solution and saturated .
Hamsa/Mogana
Week 36
Exam week
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