Page 19 - PWR UP TG1 SAINS

Sains Tingkatan 1 Bab 1
2. Bulatkan maksud yang betul bagi simbol amaran berikut dan nyatakan satu contoh bahan mengikut simbol
amaran tersebut. SP 1.2.2 TP2
Circle the correct meaning for the following hazard symbols and state one example of substance according to the hazard symbol.

Simbol amaran Maksud Contoh
Hazard symbol Meaning Example
(a) Mudah meletup
Explosive Natrium
Mudah terbakar Sodium
Flammable
(b) Mudah terbakar
Flammable Alkohol

Mudah meletup Alcohol
Explosive
(c) Mengakis
Corrosive Asid pekat
Concentrated acid
Merengsa
Irritant
(d) Radioaktif
Radioactive Larutan ammonia Simbol Amaran dan
Ammonia solution Contoh Bahan Kimia
Merengsa Hazard Symbols and
Irritant INFO Examples of Chemicals
(e) Beracun
Poisonous Uranium Peraturan dan
Langkah-langkah
Uranium Keselamatan di dalam
Radioaktif
Radioactive Makmal
INFO Rules and Safety Measures
(f) Radioaktif in the Laboratory
Radioactive Merkuri
Mercury
Beracun
Poisonous

3. Nyatakan ‘Benar’ atau ‘Palsu’ bagi pernyataan berkaitan peraturan di dalam makmal. SP 1.2.4 TP2
State ‘True’ or ‘False’ for the statement related to laboratory rules.
Pernyataan Benar / Palsu
Statement True / False

(a) Jangan masuk ke dalam makmal tanpa kebenaran. Benar / True
Do not enter the laboratory without permission.
(b) Semua bahan kimia boleh digunakan setiap kali eksperimen dijalankan. Palsu / False
All the chemicals can be used every time an experiment is carried out.
(c) Cuci tangan dengan air dan sabun sebelum meninggalkan makmal. Benar / True
Wash your hands with soap and water before leaving the laboratory.
(d) Dilarang makan, minum dan bermain-main di dalam makmal. Benar / True
Eating, drinking and playing are prohibited in the laboratory.

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01G POWER UP SC TG1.indd 5 25/09/2020 9:44 AM