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WorksheetsCHEMISTRY KSSM FORM 5 CHAPTER 2 & 3
Total questions: 22
Worksheet time: 21mins
The Diagram shows the structural formula of a compound.
Rajah menunjukkan formula struktur bagi suatu sebatian
What is the name of the compound?
Apakah nama sebatian itu?
2-ethylbut-1-ene
2-etilbut-1-ena
3-methylpent-4-ene
3-metilpent-4-ena
2-ethylbut-4-ene
2-etilbut-4-ena
3-methylpent-1-ene
3-metilpent-1-ena
What is the product formed when but-2-ene is shaken with bromine water?
Apakah hasil yang terbentuk apabila but-2-ene digoncangkan dengan air bromin?
1,2-dibromobutene
1,2-dibromobutena
1,2-dibromobutane
1,2-dibromobutana
2,3-dibromobutene
2,3-dibromobutena
2,3-dibromobutane
2,3-dibromobutana
Compound X has the following properties.
Sebatian X mempunyai sifat-sifat berikut.
What is compound X?
Apakah sebatian X?
Ethane
Etana
Ethanoic acid
Asid etanoik
Ethanol
Etanol
Ethyl ethanoate
Etil etanoat
What is the product formed when hydrogen & propene are passed over a nickel catalyst at temperature 1800C?
Apakah hasil yang terbentuk apabila hidrogen & propena dilalukan ke atas mangkin nikel pada suhu 1800C?
Propane
Propana
Propanoic acid
Asid propanoik
Propanol
Propanol
Propyl propanoate
Propil propanoat
The Diagram shows a flow chart for the reactions of compound R.
Rajah menunjukkan carta alir bagi tindak balas sebatian R.
What is the general formula of R?
Apakah formula am bagi R?
CnH2n
CnH2n+2
CnH2n+1OH
CnH2n+1COOH
Which of the following substance can be used to differentiate ethene from ethane?
Antara bahan berikut, yang manakah boleh digunakan untuk membezakan antara etana & etena?
Limewater
Air kapur
Dilute H2SO4
H2SO4 cair
Bromine water
Air bromin
Sodium hydroxide solution
Larutan natrium hidroksida
Which alkene is formed when butan-1-ol undergoes dehydration reaction?
Alkena manakah yang terbentuk apabila butan-1-ol mengalami tindak balas pendehidratan?
What is catalyst X?
Apakah mangkin X?
Acidified KMnO4 solution
Larutan KMnO4 berasid
Bromine water
Air Bromin
Porselain chips
Serpihan porselin
Phosphoric acid
Asid fosforik
What is alcohol X?
Apakah alkohol X?
Butanol
Ethanol
Pentanol
Propanol
Based on the diagram, which structural formula has the same characteristics?
Berdasarkan rajah, formula struktur manakah mempunyai ciri yang sama seperti diatas?
Which of the following is the structural formula for compound Z?
Antara berikut, yang menakah formula struktur bagi sebatian Z?
Which of the following is an example of endothermic reaction?
Antara berikut yang manakah contoh bagi tindak balas endotermik?
Solid NaOH dissoved in distilled water
Pepejal NaOH dlarutkan dalam air suling
Dilute HCl added to AgNO3 solution
HCl cair ditambah ke larutan AgNO3
Solid NH4NO3 dissolved in distilled water
Pepejal NH4NO3 dilarutkan dalam air suling
Dilute HCl added to KOH solution
HCl cair ditambah ke larutan KOH
Which of the following is true about the diagram?
Manakah antara berikut benar tentang gambar rajah tersebut?
Endothermic reaction
Tindak balas endotermik
The activation energy is y kJ
Tenaga pengaktifan ialah y kJ
The heat of reaction is -(y-x) kJ
Haba tindak balas ialah -(y-x) kJ
y value increase with the presence of catalyst
Nilai y bertambah dengan kehadiran mangkin
What is L?
Apakah L?
NH4Cl
Na2S2O3
KNO3
CaO
The Table shows the temperature change when silver nitrate solution reacts with different chloride solutions. What is x?
Jadual menunjukkan perubahan suhu apabila larutan argentum nitrat bertindak balas dengan larutan klorida yang berbeza. Apakah x?
1/2 ϴ
ϴ
2ϴ
4ϴ
Based on the diagram, calculate heat of displacement when excess Mg powder is added to 50 cm3 of 0.5 mol dm-3 CuCl2 solution.
Berdasarkan gambar rajah, hitung haba penyesaran apabila lebihan serbuk Mg ditambah kepada 50 cm3 larutan CuCl2 0.5 mol dm-3.
(a)
The reaction between 25 cm3 of HCl & 25 cm3 of NaOH solution releases 2100 J of heat. What is the temperature change of the mixture?
Tindak balas antara 25 cm3 HCl & 25 cm3 larutan NaOH membebaskan haba sebanyak 2100 J. Berapakah perubahan suhu campuran itu?
(a)
When 9 g of fuel R was burnt, it raised the temperature of 100 cm3 of water by 30 °C. Calculate heat of combustion of fuel R.
[Molar mass R = 180 g/mol]
Apabila 9 g bahan api R dibakar, suhu 100 cm3 meningkat sebanyak 30 °C. Hitung haba pembakaran bahan api R.
[Jisim molar R = 180 g/mol]
(a)
Which of the following is true about heat of combustion for ethanol, propanol & butanol?
Antara berikut yang manakah benar tentang nilai haba pembakaran bagi etanol, propanol & butanol?
A
B
C
D
Which of the following acids is suitable to replace HNO3 to obtain the same ∆H value?
Antara berikut, asid manakah yang sesuai untuk menggantikan HNO3 bagi memperoleh nilai ∆H yang sama?
H2SO4
CH3COOH
HCl
H2CO3
The heat of combustion obtained from an experiment is normally less than the theoritical value. Which precaution step can be taken to increase the accuracy of the result?
Haba pembakaran yang diperoleh daripada eksperimen biasanya kurang daripada nilai teori. Langkah berjaga-jaga manakah yang boleh diambil untuk meningkatkan ketepatan keputusan ini?
Light the wick before placing the lamp under the container
Nyalakan sumbu sebelum meletakkan pelita dibawah bekas
Heat the water in glass beaker
Panaskan air dalam bikar kaca
Weigh the lamp when its cold
Timbang pelita apabila sejuk
Stit the water continuously throughout the experiment
Kacau air secara berterusan sepanjang eksperimen
Which of the following is true?
Pernyataan manakah adalah benar?
I. The process of bonding occurs
Proses pembentukan ikatan berlaku
II. Temperature increases
Suhu meningkat
III. ∆H is positive
∆H adalah positif
IV. The energy content of the product > energy content in reactants
Kandungan tenaga di dalam hasil tindak balas > kandungan tenaga di dalam bahan tindak balas
I and II
I, II and IV
II and III
III and IV
