SPM-CHEMIST

Cobalt-60 is an isotope of cobalt. What is the use of cobalt-60?

Kobalt-60 adalah isotop bagi kobalt. Apakah kegunaan kobalt-60?

• Estimate the age of fossils and artifacts

  Menganggar umur fosil dan artifak

• Detect the leakage of undergroud water pipe

  Mengesan kebocoran paip air bawah tanah

• Regulate the heart beats of patients with heart problems

  Memulihkan degupan jantungpesakit jantung

• Destroy bacteria in food without changing the quality of food

  Memusnahkan bakteria dalam makanan tanpa mengubah kualiti makanan

The particles of matter are in motion and collide with each other

Zarah-zarah jirim sentiasa bergerak dan berlanggar antara satu sama lain

Which process prove the statement?

Proses manakah yang membuktikan pernyataan ini?

• Diffusion

  Resapan

• Respiration

  Respirasi

• Evaporation

  Penyejatan

• Sublimation

  Pemejalwapan

Which substance is an electrolyte?

Bahan manakah adalah elektrolit?

• Glucose solution

  Larutan glukosa

• Molten acetamide

  Leburan asetamida

• Ammonia solution

  Larutan ammonia

• Glacial ethanoic acid

  Asid etanoik glasial

Which reaction has the highest rate?

Tindak balas manakah yang mempunyai kadar paling tinggi?

• Rusting of water pipe

  Pengaratan paip air

• Burning of petrol in the car engine

  Pembakaran petrol dalam enjin kereta

• Fading of dyes on a shirt under the hot sun

  Memudarkan warna baju di bawah matahari terik

• Cooking chicken using microwave oven

  Memasak ayam menggunakan ketuhar gelombang mikro

The oxidation number of element Y is +2 and +3. The element forms green and brown colours in its compound. What is Y?

Nombor pengoksidaan unsur Y ialah +2 dan +3. Unsur itu membentuk warna hijau dan perang dalam sebatiannya. Apakah T?

• Iron

  Ferum

• Zinc

  Zink

• Lead

  Plumbum

• Copper

  Kuprum

Which of the following is a diprotic acid?

Antara berikut yang manakah adalah asid dwibes?

• Phosphoric acid

  Asid fosforik

• Carbonic acid

  Asid karbonik

• Ethanoic acid

  Asid etanoik

• Nitric acid

  Asid nitrik

Diagram 1 shows two situations occur when sunlight is shining on the glass X. What is the type of glass X?

Rajah 1 menunjukkan dua situasi yang berlaku apabila cahaya matahari memancar ke atas kaca X. Apakah jenis kaca X?

• Fuse glass

  Kaca silika terlakur

• Soda lime glass

  Kaca soda kapur

• Borosilicate glass

  Kaca borosilikat

• Photochromic glass

  Kaca fotokromik

Which of the following is not an acid-base indicator?

Antara berikut yang manakah bukan penunjuk asid-bes?

• Methyl red

  Metil merah

• Methyl orange

  Metil jingga

• Phenolphthalein

  Fenolftalein

• Tetrachloromethane

  Tetraklorometana

Which compound has the correct chemical formula?

Sebatian manakah mempunyai formula kimia yang betul?

• A

• B

• C

• D

Which pairs of general formulae and homologous series are correctly matched?

Pasangan formula am dan siri homolog yang manakah dipadankan dengan betul?

• I and II

• I and III

• II and IV

• III and IV