Question

A clean strip of calcium metal is added to cold water and the reaction is observed. Compared to sodium and magnesium, which of the following statements correctly describes calcium's reactivity and the nature of products formed?

Name: Periodic Trends: Electronegativity, Electron Affinity & Metallic Character
Uploaded: 2026-09-25T04:51:04.000Z
Description: Watch Periodic Trends: Electronegativity, Electron Affinity & Metallic Character for a focused recap of the concept before moving to similar practice questions.

Asked in RRB Technician Grade III · 2026

Chemical Properties · Chemistry

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ChemistryMetalChemical PropertiesRRB Technician Grade III2026

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Metals higher in the reactivity series displace less reactive metals from their salts.

Correct AnswerCorrect option for this question

Option A — Calcium reacts less vigorously than sodium but more than magnesium, forming calcium hydroxide and hydrogen gas.

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Periodic Trends: Electronegativity, Electron Affinity & Metallic Character has appeared in 36 previous-year exam questions, most frequently in State PSC, SSC and Railways.

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