Chemical Thermodynamics — Top 20 Questions 20Questions0Correct0AttemptedQ1Which mixing of 1 M acid and 1 M base produces maximum rise in

Chemical Bonding — Top 20 Questions 20Questions0Correct0AttemptedQ1Sum of bond orders of CO and NO⁺ is:A4B5C6D7✅ Correct: CCO: triple bond (bond

Atomic Structure — Top 20 Questions 20Questions0Correct0AttemptedQ1The energy of an electron in the first Bohr orbit of hydrogen atom is

Mole Concept — Top 20 Questions 20Questions0Correct0AttemptedQ120 mL of sodium iodide solution gives 4.74 g of silver iodide when treated

Rotational Motion — Top 20 Questions 20Questions 0Correct 0Attempted Q1 A solid sphere rolls without slipping. If (dfrac{L}{E} = dfrac{pi}{22}),

Semiconductors — Top 20 Questions 20Questions0Correct0AttemptedQ1Zener breakdown occurs in p-n junction which is:ALightly doped with wide depletion layerBHeavily doped with

Atoms & Nuclei — Top 20 Questions 20Questions0Correct0AttemptedQ1Nucleus (A_1) has volume (V_1). Another has (A_2 = 4A_1). Ratio (V_2/V_1):A2B4C8D16✅ Correct:

Dual Nature of Radiation & Matter — Top 20 Questions 20Questions0Correct0AttemptedQ1de Broglie wavelength of electron with KE=E is (lambda). If

Optics — Top 20 Questions 20Questions0Correct0AttemptedQ1Image formed 200 cm inside glass (μ=1.5, R=50 cm). Object distance:A2 mB4 mC1 mD3 m✅

Electromagnetic Waves — Top 20 Questions 20Questions0Correct0AttemptedQ1Radar signal to target 3 km away and back. Time for echo (μs):A10B15C20D5✅ Correct: