Class 12 questions

• Pooja Iyer12thSample· 2mo ago

  Rutherford scattering: impact parameter vs deflection angle, and why my closest approach answer came out off by 2?

  I'm stuck on the alpha scattering part of Atoms and my mental picture is clearly broken. NCERT says most alpha particles go straight through, a few get deflected by large angles and some even bounce back. Fine. Then it b

  ⚛️ NEET Physics❓ Question1 min read👏 6💬 7🔖 Save

  
• Pooja Iyer12thSample· 2mo ago

  Aldehyde and ketone in the same molecule: which gets the suffix, and what does 'oxo' mean?

  I love how aldehydes and ketones have those neat names, until a molecule has two functional groups and I forget which one is the boss. Example: OHC-CH 2-CO-CH 3 . Is it 3-oxobutanal or 1-oxo... or something with "al-one"

  🧪 NEET Chemistry❓ Question1 min read👏 8💬 7🔖 Save

  
• Riya Singh12thSample· 2mo ago

  Early Earth's atmosphere was reducing, so what did Miller actually put in the flask? Chemical evolution vs Pasteur confuses me

  The Evolution chapter starts with such big words Big Bang, chemical evolution, panspermia and I find my mind wandering. Let me try to write what I think I got and someone please bust the myths. Big Bang: universe began a

  🧬 NEET Biology❓ Question1 min read👏 7💬 7🔖 Save