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Some Basic Concepts of Chemistry · 2024 · 31 Jan · Shift 2

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2024 · 31 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q20.A sample of CaCO3​ and MgCO3​ weighed 2.21 g is ignited to constant weight of 1.152 g. The composition of mixture is : (Given molar mass in g mol−1CaCO3​:100,MgCO3​:84…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q29.The molarity of 1 L orthophosphoric acid (H3​PO4​) having 70% purity by weight (specific gravity 1.54 g cm−3) is ​M. (Molar mass…
    Chemistry · Some Basic Concepts of Chemistry · Numerical