The correct answer is: C) Potassium reacts vigorously with water forming potassium hydroxide and hydrogen gas.
2K + 2H₂O → 2KOH + H₂
Information Booster: • The reaction is highly exothermic and can ignite H₂ gas.
Top of Form
Bottom of Form
English
10 Questions
10 Marks
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:
Suggested Test Series
Suggested Test Series
