我写一个用镁和氧气做的实验.在我印象里这是我们化学课做的第一个实验.

A ring stand is setup and a crucible is placed on the ring stand.

A bunsen burner is placed under the ring stand and lit.


A strip of magnesium is taken and placed in the crucible.

The strip is oxidized and the flame and ashes are visible.

我写一个用镁和氧气做的实验.在我印象里这是我们化学课做的第一个实验.

A ring stand is setup and a crucible is placed on the ring stand.

A bunsen burner is placed under the ring stand and lit.


A strip of magnesium is taken and placed in the crucible.

The strip is oxidized and the flame and ashes are visible.