Question

An oxide of a metal which on strong heating forms a mirror like surface near the cooler parts of the test tube

Answer 1

The oxide of a metal which on strong heating forms a mirror like surface on the cooler parts of the test tube is magnesium.

Explanation:

• Magnesium is a metal which when heated in the test tube will produce shiny like appearance on the cooler parts of the test tube.
• Magnesium has acquired the property of the metal and it offers a shiny surface when heated at high temperatures.
• When magnesium metal is heated, the lumps of shiny appearance will be formed on the lower parts of the test tube which indicates the presence of silicon.

To know more:

1) What is the nature of metal oxides?

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2) What is the oxide of metal call?

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