Question

aluminium ,copper ,iron, lead, magnesium, zinc and sodium etc. holder sample of each of the above metal at the top of the flame of burner and see the result answer the following questions after observation.
1)which metal catch fire
readily?
2)how does the surface of the metal appear on catching fire?
3)what is the colour of the flame while the metal is burning on the flame?

Answer 1

The answer of the first question is Magnesium. It will catch fire first because of its high tendency to catch fire.

The answer to the second question will be charring effect. Charring effect are the reason why the surface of the metal appear on catching fire.

The answer to the third question will be reddish blue.Magnesium is a cofactor in more than 300 enzyme systems that regulate diverse biochemical reactions in the body, including protein synthesis, muscle and nerve function, blood glucose control, and blood pressure regulation [1-3].

Magnesium is required for energy production, oxidative phosphorylation, and glycolysis.

Answer 2

Explanation:

very correct answer