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SSC CGL
mediumQ. No. 14873-a-strong-electrolyte-is

A strong electrolyte is

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This SSC CGL Chemistry question asks: “A strong electrolyte is” The correct answer is Sodium chloride. NaCl fully dissociates into Na+ and Cl- ions making it a strong electrolyte. Acid basicity refers to the number of ionisable protons, not simply the number of hydrogen atoms written in a formula. Safety also matters: laboratory substances should never be identified by smell or taste, and strong acids, bases and oxidisers require appropriate handling. Option A (“Acetic acid”) is incorrect because it does not satisfy the chemical formula, reaction, periodic trend, numerical relation, oxidation state or definition required by the question.

AAcetic acid
BAmmonia
CCarbonic acid
DSodium chloride
Correct Answer: Sodium chlorideYour Answer: D

Explanation

es into Na+ and Cl- ions making it a strong electrolyte. Option A (“Acetic acid”) is incorrect because it does not satisfy the chemical formula, reaction, periodic trend, numerical relation, oxidation state or definition required by the question. Option B (“Ammonia”) is incorrect because it does not satisfy the chemical formula, reaction, periodic trend, numerical relation, oxidation state or definition required by the question. Option C (“Carbonic acid”) is incorrect because it does not satisfy the chemical formula, reaction, periodic trend, numerical relation, oxidation state or definition required by the question. The answer field, correct index and explanation therefore all identify Sodium chloride. NaCl fully dissociates into Na+ and Cl- ions making it a strong electrolyte.

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FAQ

SSC CGL Chemistry FAQs

Common questions and clear answers for this topic.

How many chemistry questions typically appear in the SSC CGL exam?

Chemistry usually contributes a handful of questions within the General Awareness section, generally covering basic concepts rather than calculation-heavy problems.

Which chemistry topics are most important for SSC CGL preparation?

Atomic structure, periodic table trends, acids-bases-salts, metals and non-metals, and carbon compounds are the areas that appear most consistently across past papers.

Is NCERT chemistry enough to prepare for SSC CGL?

NCERT textbooks from classes 9 and 10 cover most of the conceptual base needed, though supplementing with general knowledge about everyday chemical compounds helps too.

What is the best way to remember chemical reactions and formulas for SSC CGL?

Linking reactions to real-world examples, like rusting or antacids, makes them easier to recall than memorizing formulas in isolation.

Does the SSC CGL chemistry syllabus overlap with the school board syllabus?

Yes, a large part of the syllabus mirrors class 9 and 10 science, making school-level revision a practical starting point.

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