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Minerals, Ores and their Formation

A non metal f...

Question

A non metal forms only two oxides.One oxide on hydrolysis give an
acid.Identify the non metal.

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Solution

Carbon:- CO and CO2, on hydrolysis CO2 forms H2CO3 while CO doesnt hydrolyse, so carbon fulfills the criteria

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Q. A non metal forms only two oxides. One oxide on hydrolysis give an acid. Identify the non metal.

Q. Question 57
An element forms an oxide

A_{2} O_{3}

which is acidic in nature. Identify A as a metal or non-metal.

Identify the types of oxides:-

(i) $Z n O$

(ii) $H_{2} O$

(iii) $C O_{2}$

(iv) $N O$

An element forms an oxide which is acidic in nature.Is the element a metal or non-metal?

Q. Statement I: Non-metallic oxides are usually basic anhydrides.
Statement II: Non-metallic oxides form acids when placed in water.

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