KUIZ BAB 5 AIR DAN LARUTAN ( TINGKATAN 2)

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DISEDIAKAN OLEH CIKGU K. THIPANRAJ (ig:thipanpriviraj) #ilovemysirandscience

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Takat didih air tulen adalah 100 °C. The boiling point of pure water is 100°C.

1 point

Benar / True

Palsu / False

Clear selection

Air tulen adalah bersifat asid. Pure water is acidic

1 point

Benar / True

Palsu / False

Clear selection

Takat beku air tulen adalah -10°C. The freezing point of pure water is -10°C

1 point

Benar / True

Palsu / False

Clear selection

Ketumpatan air tulen adalah 1 g cm-3. The density of pure water is 1 g cm-3

1 point

Benar / True

Palsu / False

Clear selection

Daya lekatan antara molekul air di permukaan dapat menampung badan serangga kecil yang berjalan di atas air. The adhesive force between water molecules at the surface can support small insects that walk on water.

1 point

Benar / True

Palsu / False

Clear selection

Daya lekitan antara molekul air serta daya lekatan antara molekul air dengan dinding sel xilem membolehkan air dibawa dari akar ke daun. The cohesive force between water molecules and the adhesive force between water molecules and the cell walls of xylem allow water to be drawn up from the roots to the leaves of plants

1 point

Benar / True

Palsu / False

Clear selection

Antara kaedah pembersihan berikut, yang manakah berupaya menghilangkan bau dalam air?Which of the following method of purification can eliminate the adour in water?

1 point

Pengoksidaan / Oxidation

Penyulingan / Distillation

Pengklorinan / Chlorination

Pemendapan / Sedimentation

Clear selection

Tandakan definisi yang betul dengan istilah-istilah berikut. Tick for the correct definition with the following terms.

2 points

Bahan yang melarut dalam cecair.Substances that dissolve in a liquid.

Cecair yang melarutkan bahan lain.Liquid that dissolves other substances.

Satu campuran homogen daripada dua atau lebih bahan. A homogenous mixture that consists of two or more substances.

Pelarut / Solvent

Larutan / Solution

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Tandakan ( / ) pada faktor yang mempengaruhi kadar keterlarutan. Tick ( / ) for th factors that affected the rate of solubility.

2 points

Suhu pelarut / Temperature of solvent

Kadar kacauan / Rate of stirring

Kelembapan udara / Air humidity

Ketumpatan pelarut / Density of solvent

Apakah kesan penyerapan haba ke atas air ? Tandakan ( / ) pada proses yang berlaku apabila haba diserap. What is the effect of heat absorption on water? Mark ( / ) the processes that occur when heat is absorbed.

2 points

Peleburan / Melting

Pembekuan / Freezing

Pendidihan / Boiling

Kondensasi / Condensation

Namakan proses yang ditunjukkan dalam rajah. Name the process shown in the diagram.

1 point

Tandakan ( / ) pada pernyataan yang betul tentang sesuatu ampaian. Mark ( / ) for the correct statement regarding a suspension.

2 points

Zarah-zarah ampaian larut di dalam cecair. The particles of a suspension dissolve in the liquid.

Zarah-zarah ampaian boleh dilihat dengan mata kasar. The particles of a suspension can be seen by the naked eye.

Zarah-zarah ampaian termendap apabila dibiarkan seketika. The particles of a suspension are deposited when left to stand for a while

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