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WorksheetsHAZARDOUS SYMBOL AND LABORATORY SAFETY
Total questions: 17
Worksheet time: 9mins
What does this symbol mean?
Flammable
Explosives
Oxidising Agent
Corrosive
What does this Symbol mean?
Corrosive
Irritant
Poison
Carcinogenic
Diagram above shows three types of bottles with different labels. What are the chemicals that might contain inside bottle P, Q and R?
P: chloroform, Q: ethanol, R: mercury
P: Radium, Q: mercury, R: Pottasium
P: Benzene, Q: potassium, R: radium
P: lead, Q: petrol, R: chloroform
The above hazard symbol means ......
explosive
flammable
toxic or poisonous
corrosive
If you see above symbol, beware of materials that can
release fume that can hurt eyes, nose and throat.
cause harmful radiation.
cause poisoning and death if swallowed
easily expolde.
What you should do if someone inhaled toxic gas?
Hold under running water
Spit out immediately
Move away from the gas for fresh air
Flush eyes vigorously with water
What safety symbol is this?
biohazard
radioactive
toxic
corrosive
Gambar menunjukkan satu simbol amarn berbahaya
picture shows a hazard warning symbol
Apakah maksud simbol itu?
What is the meaning of the symbol?
Merengsa
Irritant
Mudah meletup
Explosive
Radioaktif
Radioactive
Mudah terbakar
Flammable
Mengapakah murid-murid perlu memeriksa label pada botol reagen sebelum menggunakannya?
why must students check the label on the reagent bottle before using it?
Untuk mengetahui pengeluar bahan kimia itu
To know the manufacture of the chemical
Untuk mengetahui jumlah bahan kimia itu
To know the amount of the chemical
Untuk mengenal pasti bahan kimia yang betul untuk digunakan
To identify the correct chemical to be used
Untuk mengetahui warna bahan kimia itu
To know the color of the chemical
Sebuah botol yang mengandungi suatu bahan di label dengan simbol di bawah. apakah maksud bagi simbol tersebut?
A bottle containing a substance is labelled with the symbol as picture below. what is the meaning of the symbol?
Merengsa
Irritant
Mudah terbakar
Flammable
Beracun
Poisonous
Mudah meletop
Explosive
Choose the correct hazard symbol for the chemical shown above.
Pilih simbol amaran yang betul bagi bahan kimia yang ditunjukkan di atas.
_________ and _________ must be kept in paraffin oil.
_________ dan _________ mesti disimpan dalam minyak parafin
Potassium / Kalium
Calcium / Kalsium
Magnesium / Magnesium
Lithium / Litium
Which of the following is an explosive chemical?
Antara berikut, yang manakah merupakan bahan kimia yang mudah meletup?
Petrol / Petrol
Mercury / Merkuri
Hydrogen gas / Gas hidrogen
Ammonia / Ammonia
___________ and ____________are radioactive materials.
___________ dan ____________ merupakan bahan beradioaktif.
Sodium / Natrium
Uranium / Uranium
Plutonium / Plutonium
Potassium / Kalium
Which of the following is not the correct safety measure when using chemicals and apparatus?
Antara berikut, yang manakah bukan langkah-langkah keselamatan ketika menggunakan bahan kimia dan radas?
Do not taste or smell anything unless allowed by the teacher.
Jangan merasa atau menghidu bau kecuali dibenarkan oleh guru.
Always point the mouth of the test tube at your face or at other people.
Selalu menghalakan hujung tabung uji ke arah sendiri atau orang lain.
Keep highly flammable chemicals away from any heat sources.
Jauhkan bahan kimia yang mudah terbakar dari sebarang sumber api.
Use safety goggles when mixing or heating chemicals.
Gunakan cermin pelindung mata ketika mencampurkan atau memanaskan bahan kimia.
Keep away objects or chemicals that burn easily from any source of heat.
Jauhkan bahan mudah terbakar atau bahan kimia mudah terbakar daripada sumber api.
TRUE / BETUL
FALSE / SALAH
Makan atau minum di dalam makmal.
Eat and drink in the laboratory
TRUE / BETUL
FALSE / SALAH
