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hardQ. No. 14882

प्रथम आयनीकरण एन्थैल्पी का सही क्रम है

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यह SSC CGL रसायन प्रश्न पूछता है: “प्रथम आयनीकरण एन्थैल्पी का सही क्रम है” सही उत्तर Na Al Mg Si है। सही क्रम: Na Al Mg Si रसायन विज्ञान पदार्थ की संरचना, संघटन, गुण और रूपांतरण का अध्ययन करता है। संख्यात्मक प्रश्न में सही molar mass, इकाई परिवर्तन और significant figures आवश्यक हैं। कार्बनिक नामकरण में सही parent chain, functional group, multiple bond की numbering और उपयुक्त prefix-suffix चुनना होता है।

ANa < Mg < Al < Si
BNa > Mg > Al > Si
CNa < Al < Mg < Si
DNa > Al > Mg > Si
Correct Answer: Na < Al < Mg < SiYour Answer: C

Explanation

Al Mg Si — सही है। सही क्रम: Na Al Mg Si विकल्प A (“Na Mg Al Si”) गलत है, क्योंकि यह प्रश्न में आवश्यक रासायनिक सूत्र, अभिक्रिया, आवर्त प्रवृत्ति, संख्यात्मक संबंध, ऑक्सीकरण अवस्था या परिभाषा को पूरा नहीं करता। इसलिए answer field, correct index और explanation सभी Na Al Mg Si को दर्शाते हैं।सही क्रम: Na Al Mg Si

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SSC CGL रसायन विज्ञान 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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