Some Basic Concepts of Chemistry · 2025 · 3 Apr · Shift 2
4 Chemistry questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Some Basic Concepts of Chemistry · 2025 · 3 Apr · Shift 2
4 Chemistry questions from this JEE Main paper
- Q4.Mass of magnesium required to produce 220 mL of hydrogen gas at STP on reaction with excess of dil. HCl is Given: Molar mass of Mg is .Chemistry · Some Basic Concepts of Chemistry · MCQ
- Q7.10 mL of 2 M NaOH solution is added to 20 mL of 1 M HCl solution kept in a beaker. Now, 10 mL of this mixture is poured into a volumetric flask of 100 mL containing 2 moles of HCl and made the volume upto the mark with distilled water. The…Chemistry · Some Basic Concepts of Chemistry · MCQ
- Q20.In Dumas' method for estimation of nitrogen 0.4 g of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage composition of nitrogen in the compound is (Given : Aqueous tension at …Chemistry · Some Basic Concepts of Chemistry · MCQ
- Q21.X g of nitrobenzene on nitration gave 4.2 g of m -dinitrobenzene. X = g. (nearest integer) [Given : molar mass (in …Chemistry · Some Basic Concepts of Chemistry · Numerical