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Chemistry - General
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BPSC Prelims 2021 General 📅 30 Sep, 2022

Which among the following is an incorrect option?

A
Atom is electrically neutral due to presence of protons and electrons inside the nucleus.
B
Electrons are negatively charged and have negligible mass.
C
Atomic number is the number of protons in an atom of an element.
D
Isotopes are useful as nuclear fuel, in medical field, in carbon dating, etc.
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BPSC Prelims
2021 • 30 Sep, 2022 • General
Which among the following is an incorrect option?
Correct Answer
See Explanation
उपर्युक्त में से कोई नहीं/उपर्युक्त में से एक से अधिक...
Ref/Book : Statement A is incorrect because protons are inside the nucleus, but electrons revolve *around* the nucleus in orbits, not *inside* it. (Note: The Hindi translation says 'inside the nucleus' for both, which makes it clearly wrong). Also, B, C, D are corre
Ref. Subject कथन A गलत है क्योंकि प्रोटॉन नाभिक के अंदर होते हैं, लेकिन इलेक्ट्रॉन कक्षाओं में नाभिक के *चारों ओर
Chapter Science
Ref. Topic NCERT
Pg. No Chemistry
💡 Analysis & Explanation
Introduction ▼
उपर्युक्त में से कोई नहीं/उपर्युक्त में से एक से अधिक
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