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JAMB - Chemistry (2008 - No. 14)

When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to
white
pink
red
blue

Тайлбар

Blue anhydrous cobalt (II) chloride changes to pink in water.

Смхиман (0)

Сэтгэгдэл бичихийн тулд нэвтэрнэ үү
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