fireworks and elements
Barium ions give off a green colour when heated in a flame.
Pure calcium oxide is white.
It gives off a red light when cast.
The calcium metal will react with the water to form calcium oxide and give off Hydrogen gas.
The colour turns brick Red .
Secrete means to produce, to give off. Clams secrete calcium to make their shells.
Pink. Calcium hydroxide turns phenolphthalein pink when it is in a basic solution.
Methyl orange turns red in the presence of calcium hydroxide.
in winter its white in summer its dark colored
White as pure, dry substance
if you give me calcium I'll give you a calcu its better than a caterpillar!
Broccoli contains calcium.