Some Basic Concepts of Chemistry

JEE Advanced · Chemistry · 9 past questions

1. Q1 2022 Paper 2

   To check the principle of multiple proportions, a series of pure binary compounds ($P_mQ_n$) were analyzed…

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2. Q2 2021 Paper 2

   Question Stem…

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3. Q3 2021 Paper 2

   Question Stem…

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4. Q4 2020 Paper 1

   Aluminium reacts with sulfuric acid to form aluminium sulfate and hydrogen. What is the volume of hydrogen…

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5. Q5 2018 Paper 1

   The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by…

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6. Q6 2014 Paper 1

   If the value of Avogadro number is $6.023 \times 10^{23}\ mol^{-1}$ and the value of Boltzmann constant is…

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7. Q7 2010 Paper 1

   A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL, and 25.0…

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8. Q8 2010 Paper 2

   Silver (atomic weight = 108 g mol$^{-1}$) has a density of 10.5 g cm$^{-3}$. The number of silver atoms on a…

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9. Q9 2009 Paper 1

   Given that the abundances of isotopes $^{54}$Fe, $^{56}$Fe and $^{57}$Fe are 5%, 90% and 5%, respectively…

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