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Group 4 lesson 2 of 2 By Br Bbosa Science

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Group 4 lesson 2 of 2 By Br Bbosa Science

2 622 просмотра · 7 л. назад
DigitalteachersUganda
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2 622 просмотра · 7 л. назад
Carbon and its compounds (hydrides, halides, oxides, Carbonic acids); Silicon and its compounds (reaction of silicon dioxide with sodium hydroxide and hydrogen fluoric acid) compounds of germanium, tin and lead (oxides, chlorides, nitrates)