Logg på
JAMB - Chemistry (1982 - No. 4)
Water is poured over a white solid and a colourless neutral gas is evolved which burns with a sooty flame. The white solid is?
calcium
calcium oxide
calcium carbide
sodium peroxide
sodium sulphate
Kommentarer (0)
Logg inn for å kommentere
Annonse
Tillat at javascript laster denne siden ordentlig
