Pierakstīties
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
komentāri (0)
Piesakieties, lai komentētu
Reklāma
Ļaujiet javascript pareizi ielādēt šo lapu
