CBSE · Class 10 · Science · Metals and Non-metalsWhich metal reacts most vigorously with cold water?
Step-by-Step Solution
Sodium reacts very vigorously with cold water, producing sodium hydroxide and hydrogen gas. The reaction is highly exothermic and can be explosive. Other metals like iron, copper or gold do not react noticeably with cold water.
Detailed Options Breakdown
Option : Iron
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Metals and Non-metals.
Option 1: Sodium (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Copper
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Metals and Non-metals.
Option 3: Gold
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Metals and Non-metals.
💡 Study Guide: This question tests core syllabus concepts from Metals and Non-metals. For formulas, key summaries, and mock exam reference guides, read the full Metals and Non-metals Revision Notes.