1979 (AIEEE / IIT-JEE, in the JEE Main bank) questions
8 questions, by subject. Each opens with its options and answer.
Mathematics
- If α + β + γ = 2π, then
Trigonometry · with solution
- Let a > 0, b > 0 and c > 0. Then, both the roots of the equation ax^2 + bx + c = 0
Complex Numbers and Quadratic Equations
- The points (-a, -b), (0, 0), (a, b) and (a^2, a^3) are
Straight Lines and Pair of Lines
Chemistry
- 2.76 g of silver carbonate on being strongly heated yields a residue weighing
Some Basic Concepts of Chemistry
- When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volumes of hydrogen evolved is
Some Basic Concepts of Chemistry
- The largest number of molecules is in
Some Basic Concepts of Chemistry
- The total number of electrons in one molecule of carbon dioxide is
Some Basic Concepts of Chemistry · with solution
- A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight. Therefore, the ratio of their number of molecules is
Some Basic Concepts of Chemistry · with solution
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