A metal is treated with dilute sulphuric acid. The gas evolved is collected by the method shown in the figure : (a) Identify the gas. 0 Hydrogen gas (ii) Carbon dioxide gas (ii) Nitrogen gas (iv) Sulphur dioxide gas (b) Which of the following statement is correct about the gas ? 0 It is soluble in water. (i) It is heavier than air. (iii) It is insoluble water. (iv) Both (i) and (w)
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(a) i) Hydrogen gas
(b) iii) it is soluble in water.
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