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Solution:The given statement is true.
concept - Non-metals react with oxygen to form non-metal oxides. Non-metal oxides are acidic. They turn red from blue litmus.
When non-metal sulphur burns in the air, it combines with atmospheric oxygen to form sulphur dioxide (acid oxide).
Sulphur dioxide is a gas. It is invisible and has an unpleasant, sharp smell.
Sulphur dioxide is very soluble in water. When water is added to sulphur dioxide (that is, the sulphur dioxide reacts with the water), the sulphur dioxide dissolves in the water to form a sulfuric acid solution.
Sulfuric acid turns blue litmus red, indicating that it is an acid and that sulphur dioxide is acidic.
Another example is carbon. Carbon burns in the air to form carbon dioxide. And this carbon dioxide then reacts with water to form carbonic acid.
Thus, we can say that non-metals do not react directly with water, but non-metal acidic oxides react with water to form acids.
Hence, the correct answer is 1.