Which of the following would produce hydrogen?I copper and sulphuric acid II Aluminum and steam III sodium and water AI only BIII only CII and III only DI , II and III
Question
Which of the following would produce hydrogen?I copper and sulphuric acid II Aluminum and steam III sodium and water AI only BIII only CII and III only DI , II and III
Solution
To determine which of the given options would produce hydrogen, we need to consider the reactions involved.
I. Copper and sulphuric acid: This reaction does not produce hydrogen. Copper does not react with sulphuric acid to produce hydrogen gas.
II. Aluminum and steam: This reaction does produce hydrogen gas. Aluminum reacts with steam (water vapor) to produce aluminum oxide and hydrogen gas.
III. Sodium and water: This reaction also produces hydrogen gas. Sodium reacts with water to produce sodium hydroxide and hydrogen gas.
Based on the above analysis, the correct answer is option D, which states that all three options (I, II, and III) would produce hydrogen.
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