有一些守則不太懂,請幫幫忙解決,謝!(需譯成英文句子)
1.攪拌化學液體時,需使用玻璃棒。
2.手未乾透,不能直接觸摸電掣。
3.需使用試管夾把試管內的化學液體進行加熱。
4.應將化學氣體撥到鼻聞氣味。
5.應把廢棄物掉進廢物桶內。
6.應關掉本生燈和遠離紙張。
7.不應將大量化學液體混和。
8.不應直接觸摸鐵絲網,也需把破損了的玻璃器皿清理乾淨。
科學實驗室守則
2009-10-01 8:54 pm
回答 (2)
2009-10-01 9:58 pm
✔ 最佳答案
1. Use a glass rod to stir liquid chemicals.2. Don't touch electrical switches when hands are completely dry.
3. It is necessary to use test-tube holder when heating liquid in a test tube.
4. Use hands to put a gaseous chemical gas to nose when testing the smell of the gas.
5. Dispose of all solid wastes into rubbish bins.
6. Close the Bunsen burner and keep it away from any paper.
7. Don't mix large amounts of liquid chemicals.
8. Don't touch the wire gauze directly, and clean up all broken glassware.
2009-10-01 8:59 pm
1. Mixing chemical liquid, the need to use glass rod.
2. Hands are not dry, not directly touch the switch.
3. Need to use test tube holder to the chemical inside the tube to heat.
4. Shall be appropriated for chemical gas odor smell.
5. Should waste falling into the waste bucket.
6. Should turn off the Bunsen burner and away from the paper.
7. Should not be a large number of chemical liquid mixture.
8. Should not directly touch the wire, also need to clean up broken glassware in.
i hope help you
2. Hands are not dry, not directly touch the switch.
3. Need to use test tube holder to the chemical inside the tube to heat.
4. Shall be appropriated for chemical gas odor smell.
5. Should waste falling into the waste bucket.
6. Should turn off the Bunsen burner and away from the paper.
7. Should not be a large number of chemical liquid mixture.
8. Should not directly touch the wire, also need to clean up broken glassware in.
i hope help you
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