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This is an audio version of the Wikipedia Article: https://en.wikipedia.org/wiki/List_of... 00:01:12 1 Reagent index 00:01:21 1.1 B–C 00:01:30 1.2 D–G 00:01:39 1.3 H–K 00:01:48 1.4 L–N 00:01:57 1.5 O–P 00:02:06 1.6 S 00:02:14 1.7 T–Z 00:02:23 2 See also Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. Listen on Google Assistant through Extra Audio: https://assistant.google.com/services... Other Wikipedia audio articles at: https://www.youtube.com/results?searc... Upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts Speaking Rate: 0.8476135295272375 Voice name: en-US-Wavenet-B "I cannot teach anybody anything, I can only make them think." - Socrates SUMMARY ======= Many chemicals are commonly available in pure form. Others are available as reagents - inexpensive, convenient sources of chemicals with a bit of processing. This is convenient for both amateur and professional chemistry work. Common reagents include: Metal oxides and carbonates (widely used in pottery) Organic acids (used for home brewing) Solvents and acids (used in cleaning materials and other hardware applications) Photographic chemicals, such as silver nitrate Single-chemical fertilizers, such as potassium nitrate (used in agricultural supply) Chlorinating agents, such as calcium hypochlorite (used in swimming pool and water purification) Mordants, such as potassium dichromate (used in arts and crafts)Details on the constituent chemicals of various household products can be found on the U.S. Department of Health and Human Services Household Products Index.