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Makmal Sains: Mengelakkan sink tersumbat

pada Januari 22, 2013

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Pernah tak sink makmal sains tersumbat?
Cara penyelesaian...?

picture and idea from http://sciencestuffbyamy.blogspot.com/

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Chemistry DK015
Chemistry SK015
Chemistry SK025
Experiment DK014
Experiment SK015
Experiment SK025

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PSPM Question and Answer Suggestion SK025 and SK026

Assalamualaikum and hello champions. Are ready for PSPM? The answer in the booklet is just for reference only. Please refer your lecturer for explanations. Don't forget to subscribe my telegram channel too https://t.me/blogfarahiyah SK026 2011/2012: https://anyflip.com/qgqpm/dyre/ 2012/2013 : https://anyflip.com/qgqpm/iexf/ 2013/2014: https://anyflip.com/qgqpm/lqgy/ 2014/2015: https://anyflip.com/qgqpm/ccih/ 2015/2016: https://anyflip.com/qgqpm/xaku/ 2016/2017: https://anyflip.com/qgqpm/adkc 2017/2018: https://anyflip.com/pnrrr/mfyv SK025 2018/2019: https://anyflip.com/pnrrr/iiyh 2019/2020: https://anyflip.com/yrcyt/uzxe/ 2020/2021: https://anyflip.com/yrcyt/psud/ 2021/2022: https://anyflip.com/yrcyt/gfhx/ Penafian: Bahan-bahan ini adalah hasil carian Google. Bukan disediakan oleh admin. Admin hanya membuat compilation sahaja.

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SK025 Experiment 6 Aldehydes and Ketones

Hello champions. Experiment 6 is the most colourful experiment. Pink, purple, yellow, orange, blue and even silver mirror is formed at instant. Everything is so magical. This experiment is used to differentiate aldehydes and ketones using Brady's test, Fehling's test, Tollen's test, Schiff's test, Tollens' test and iodoform test. Here is the demonstration video by KMPK's lecturer. And, at here is the discussion for the experiment. In this video, I shared report writing tips, such as introduction, discussion, precautions and conclusion. The colourful products of experiment are there too. For your observation, please follow the following tips: Brady's test: positive observation: yellow orange precipitate formed negative observation: no yellow orange precipitate formed @ no observable changes Fehling's test: positive observation: blue colour of Cu2+ decolourised and brick red precipitated formed, Cu2O negative observation: blue colour of Cu2+ remains unc...

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