Some Basic Concepts of Chemistry

JEE Main · Chemistry · 9 past questions

These are the board's own papers. 200 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q1 2026 2 Apr Shift 1

   The mass of iron converted into Fe$_3$O$_4$ by the action of 18 g of steam is…

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2. Q5 2026 5 Apr Shift 1

   How many grams of residue is obtained by heating 2.76 g of silver carbonate?…

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3. Q6 2026 5 Apr Shift 2

   What volume of hydrogen gas at STP would be liberated by action of 50 mL of H$_2$SO$_4$ of 50% purity…

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