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CUBA2

Authored by Cikgu Xie MOE

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10th Grade

CUBA2
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sodium is a highly reactive metal. As a safety and personal protection measure, which equipment is suitable for holding sodium in the laboratory?

Natrium merupakan bahan logam yang sangat reaktif. Sebagai langkah keselamatan dan perlindungan diri, peralatan manakah yang sesuai digunakan untuk memegang natrium di dalam makmal?

 

Forseps

Forceps

Spatula

Spatula

Glass rod

Rod kaca

Wooden handle

Pemegang kayu

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Table 1 below shows example of waste substances cannot be disposed of into sink.

Jadual 1 di bawah menunjukkan contoh bahan sisa yang tidak boleh dibuang di dalam sinki.  

 

Based on the examples given, identify the true statements for the waste substances above.

Berdasarkan contoh di atas, kenal pasti pernyataan yang benar bagi bahan sisa di atas.

Cyanide and mercury are toxic and highly alkaline substances.

Sianida dan merkuri merupakan bahan bertoksik dan sangat beralkali.

Cyanide is a toxic substance, mercury is a heavy metal.

Sianida merupakan bahan bertoksik, merkuri merupakan logam berat.

Cyanide is a very alkaline substance, mercury is a volatile substance.

Sianida merupakan bahan yang terlalu beralkali, merkuri merupakan bahan meruap.

Cyanide is very volatile, mercury is an organic waste.

Sianida sangat mudah meruap, merkuri merupakan bahan sisa organik.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram 1 shows one of the fire extinguishers.

Rajah 1 menunjukkan salah satu alat pemadam kebakaran.

 

Which of the following is suitable use of this fire extinguishers?

Antara yang berikut, yang manakah sesuai menggunakan alat pemadam kebakaran ini?

 

Fire involving electrical appliances

Api melibatkan peralatan elektrik

Cooking fire involving oil and grease

Api memasak melibatkan minyak dan gris

Liquids that burn easily such as petroleum

Cecair mudah terbakar seperti petroleum

Solids that burn easily such as paper and wood

Pepejal mudah terbakar seperti kertas dan kayu

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the suitable equipment for handling potassium in the laboratory?

Apakah peralatan yang sesuai untuk memegang kalium di dalam makmal?

 

Forceps

Forseps

Spatula

Spatula

Glass rod

Rod kaca

Wooden handle

Pemegang kayu

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the correct statements regarding the disposal of hazardous waste substances?

Apa yang merupakan pernyataan yang betul mengenai pelupusan bahan sisa berbahaya?

Cyanide and mercury are toxic and highly alkaline substances.

Sianida dan merkuri merupakan bahan bertoksik dan sangat beralkali.

Cyanide is a toxic substance, mercury is a heavy metal.

Sianida merupakan bahan bertoksik, merkuri merupakan logam berat.

Cyanide is a very alkaline substance, mercury is a volatile substance.

Sianida merupakan bahan yang terlalu beralkali, merkuri merupakan bahan meruap.

Cyanide is very volatile, mercury is an organic waste.

Sianida sangat mudah meruap, merkuri merupakan bahan sisa organik.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of fire is suitable for extinguishing using a carbon dioxide fire extinguisher?

Jenis api manakah yang sesuai untuk dipadamkan menggunakan pemadam api karbon dioksida?

Fire involving electrical appliances

Api melibatkan peralatan elektrik

Cooking fire involving oil and grease

Api memasak melibatkan minyak dan gris

Liquids that burn easily such as petroleum

Cecair mudah terbakar seperti petroleum

Solids that burn easily such as paper and wood

Pepejal mudah terbakar seperti kertas dan kayu

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