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Worksheets5.1 Sains T4
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Antara ciri berikut, yang manakah betul bagi perubahan kimia?
Which of the following characteristics is true for chemical change?
Which of the following characteristics is true for chemical change?
a)
Berbalik.
Reversible.
Reversible.
b)
Perubahan adalah sementara.
The change is temporary.
The change is temporary.
c)
Perubahan akan mempengaruhi sifat fizikal bahan sahaja.
Changes will only affect the physical characteristics.
Changes will only affect the physical characteristics.
d)
Pembentukan bahan baru.
Formation of a new substance.
Formation of a new substance.
2.
Apabila hablur-hablur iodin dipanaskan, wap ungu dibebaskan. Pernyataan yang manakah menunjukkan bahawa proses ini melibatkan perubahan fizikal?
When iodine crystals are heated, purple vapour is released. Which of the following statement suggests that this is a process involving physical change?
When iodine crystals are heated, purple vapour is released. Which of the following statement suggests that this is a process involving physical change?
a)
Bentuk bahan berubah.
The shape of the substance changes.
The shape of the substance changes.
b)
Sifat kimia hablur iodin sama dengan sifat kimia wap ungu iodin yang dibebaskan.
The chemical properties of the iodine crystals are the same as the chemical properties of the purple vapour released.
The chemical properties of the iodine crystals are the same as the chemical properties of the purple vapour released.
c)
Banyak haba diperlukan untuk melengkapkan tindak balas di atas.
Alot of energy is needed to complete the reaction shown above.
Alot of energy is needed to complete the reaction shown above.
d)
Tindak balas ini tidak berbalik.
This is not a reversible reaction.
This is not a reversible reaction.
3.
Cara yang manakah boleh digunakan untuk mencegah Proses Y?
Which of the method can be used to prevent Process Y?
Which of the method can be used to prevent Process Y?
a)
Penyejukan.
Cooling.
Cooling.
b)
Penulenan.
Purification.
Purification.
c)
Pembakaran.
Heating.
Heating.
d)
Penyaduran elektrik.
Electroplating.
Electroplating.
4.
Sekeping kertas dibakar oleh Encik Jamal. Apakah jenis perubahan yang berlaku?
Mr. Jamal burns a piece of paper. What type of changes that has occured?
Mr. Jamal burns a piece of paper. What type of changes that has occured?
a)
Perubahan warna.
Colour change.
Colour change.
b)
Kadar perubahan.
Rate of change.
Rate of change.
c)
Perubahan fizik.
Physical change.
Physical change.
d)
Perubahan kimia.
Chemical Change.
Chemical Change.
5.
Antara proses semula jadi yang berikut, yang manakah merupakan proses yang mengalami perubahan fizik?
Which of the following process occurs in the nature that involves physical change?
Which of the following process occurs in the nature that involves physical change?
a)
Proses respirasi.
Respiration.
Respiration.
b)
Pemejalwapan.
Sublimation.
Sublimation.
c)
Proses pengaratan.
Rusting.
Rusting.
d)
Proses fotosintesis.
Photosynthesis.
Photosynthesis.
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