Igcse Model Questions Vol1 2024 Chemistry Question 14

Practice objective / multiple choice question 14 from the 2024 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2024 Chemistry Objective / Multiple Choice Easy Difficulty
Question 14 IGCSE_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • objective

An element is a metal located in period 4 and group 1 of the periodic table. It reacts vigorously with water to give a hydroxide and hydrogen gas. Identify the element and write its balanced reaction with water.

Answer Options

A. Calcium; \(\text{Ca} + 2\ \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2\)
B. Potassium; \(2\ \text{K} + 2\ \text{H}_2\text{O} \rightarrow 2\ \text{KOH} + \text{H}_2\)
C. Lithium; \(2\ \text{Li} + 2\ \text{H}_2\text{O} \rightarrow 2\ \text{LiOH} + \text{H}_2\)
Correct Answer D. Sodium; \(2\ \text{Na} + 2\ \text{H}_2\text{O} \rightarrow 2\ \text{NaOH} + \text{H}_2\)
Correct Answer
D
Correct Option:
Sodium; \(2\ \text{Na} + 2\ \text{H}_2\text{O} \rightarrow 2\ \text{NaOH} + \text{H}_2\)

About This Question

This is Igcse Model Questions Vol1 2024 Chemistry Question 14. It is one of the objective questions from the 2024 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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