75 JEE Main 2003 Chemistry previous-year questions, grouped chapter-wise, each with a verified answer and full solution.
Every JEE Main 2003 Chemistry previous-year question, organised by chapter. Each links to a full step-by-step solution with a verified answer key. Use this page to revise exactly what appeared in JEE Main 2003, or open a chapter to see all years.
A red solid is insoluble in water. However it becomes soluble if some KI is added to water. Heating the red solid in a…
Which one of the following is an amphoteric oxide?
The radius of La³⁺ (Atomic number of La=57 ) is 1.06 Å. Which one of the following given values will be closest to the…
The number of d-electrons retained in Fe²⁺ (At.no.of Fe=26 ) ion is
A reduction in atomic size with increase in atomic number is a characteristic of element of
What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?
The atomic numbers of vanadium (V), Chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23 , 24,25 and 26 . Wh…
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