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Which metal o...

Question

Which metal oxide is used to obtain blue coloured glass?

A

Ferric oxide

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B

Chromium oxide

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C

Manganese oxide

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D

Cobalt oxide

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Solution

The correct option is D Cobalt oxide
Cobalt oxide is used to obtain blue coloured glass.

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Q. Question 11
Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. The solution of which of the following oxides in water will change the colour of blue litmus to red?

(a) sulphur dioxide
(b) magnesium oxide
(c) iron oxide
(d) copper oxide

Q. Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red?

Q. Generally metallic oxides are basic and non-metallic oxides are aicidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red?

Which chemical process is used for obtaining a metal from its oxide? [3 MARKS]

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