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WorksheetsSc-F3 (5.0)
Total questions: 10
Worksheet time: 5mins
Which of the following pair of energy is involved in thermochemistry?
Manakah pasangan tenaga berikiut yang terlibat dalam termokimia?
Heat and Chemical
Haba dan Kimia
Heat and Electrical
Haba dan Elektrik
Chemical and Light
Kimia dan Cahaya
Electrical and Light
Elektrik dan Cahaya
Heat is released to the surroundings by this reaction. What is this reaction?
Haba dibebaskan ke persekitaran daripada tindak balas ini. Apakah tindak balas ini?
Exothermic
Eksotermik
Endotermic
Endotermik
Ectothermic
Ektotermik
Isotermic
Isotermik
Heat is absorbed from the surroundings by this reaction. What is this reaction?
Haba diserap daripada persekitaran daripada tindak balas ini. Apakah tindak balas ini?
Endothermic
Endotermik
Exothermic
Eksotermik
Ectothermic
Ektotermik
Isothermic
Isotermik
What happen to the surrounding temperature when magnesium ribbon is dissolving in vinegar solution?
Apakah yang terjadi kepada suhu persekitaran apabila riben magnesium melarut dalam larutan cuka?
Increases
Meningkat
Decreases
Menurun
No change
Tiada perubahan
Which one of the following is not an example of exothermic reaction?
Manakah yang berikut bukan merupakan contoh tindak balas eksotermik?
Which one of the following is correct about the reaction shown in the diagram?
Manakah yang berikut benar tentang tindak balas yang ditunjukkan dalam rajah?
Heat energy absorbed is used to break chemical bonds
Tenaga haba yang diserap digunakan untuk memutuskan ikatan kimia
The chemical energy of the reactants is changed into heat energy
Tenaga kimia bahan tindak balas ditukarkan kepada tenaga haba
Temperature of surroundings increases.
Suhu persekitaran meningkat.
Energy change: Chemical energy --> Heat energy
Perubahan tenaga: Tenaga kimia --> Tenaga haba
The table above shows the observation. State the types of reaction for X and Y.
Jadual di atas menunjukkan pemerhatin. Nyatakan jenis tindak balas bagi X dan Y.
X -> Exothermic, Y --> Endothermic
X -> Eksotermik, Y --> Endotermik
X -> Endothermic, Y --> Exothermic
X -> Endotermik, Y --> Eksotermik
X -> Exothermic, Y --> Exothermic
X -> Eksotermik, Y --> Eksotermik
X -> Endothermic, Y --> Endothermic
X -> Endotermik, Y --> Endotermik
Which chemical is used in a cold pack?
Bahan kimia yang manakah digunakan dalam suatu pek sejuk?
Ammonium chloride
Ammonium klorida
Calcium oxide
Kalsium oksida
Calcium chloride
Kalsium klorida
Anhydrous copper sulfate
Kuprum sulfat kontang
Which part of the thermos flask prevents heat loss through radiation.
Bahagian kelalang termos manakah yang menghalang kehilangan haba melalui sinaran?
Silver-coloured layer
Lapisan berwarna perak
Vacuum
Vakum
stopper
Penutup
Steel botte
Botol keluli
The following process is an endothermic reaction, except ...
Proses berikut merupakan tindak balas endotermik, kecuali ...
Condensation
Kondensasi
Melting
Peleburan
Evaporation
Penyejatan
Boiling
Pendidihan
