NCERT Exemplar Solutions Class 10 Science Solutions for Metals and Non-metals - Exercise in Chapter 3 - Metals and Non-metals

Question 20 Metals and Non-metals - Exercise

A non-metal 'X' is a major constituent of our food and forms two oxides 'Y' and 'Z'. Oxide 'Y' is toxic and causes suffocation whereas Z causes global warming.

Identify X, Y and Z.


X is Carbon.

Carbon forms two oxides i.e carbon dioxide and carbon monoxide.

Y is carbon monoxide as it is toxic and causes suffocation whereas Z is carbon dioxide because it is responsible for global warming.

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