The correct answer is: D) 2Na + 2H₂O → 2NaOH + H₂ In this reaction, sodium displaces hydrogen from water. This is a classic example of a displacement reaction, where a more reactive element replaces a less reactive one.
Information Booster: • Displacement reactions are used in extraction of metals and reactivity series demonstrations.
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10 Mins English English150 Questions150 Marks150 Mins English English150 Questions150 Marks150 Mins EnglishWhich of the following types of reactions is a neutralisation reaction?
In the reaction CuO + H₂ → Cu + H₂O, which substance is oxidised?
What is the term used for a substance that reduces the rate of a chemical reaction?
Which chemical is known as Philosopher’s Wool?
Which of these metals reacts with water at normal temperature?
In industrial settings, Freon-12 is most commonly manufactured by which chemical reaction?
In the reaction: 2H₂ + O₂ → 2H₂O, if 5 moles of H₂ and 2 moles of O₂ are mixed, the limiting reagent is:
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