📚NCERT Questions — CBSE11

A major drawback of Rutherford's nuclear model was its inability to explain:

Which of the following statements about cathode rays is INCORRECT?

The Law of Chemical Equilibrium is also known as the:

The concept of 'Paramãnu' (indivisible particles) was formulated by Acharya Kanda approximately how many years before John Dalton's atomic theory?

In the quantum mechanical model, what does the square of the wave function (ψ²) at a point represent?

Which of the following numbers is correctly written in scientific notation?

For a reversible isothermal expansion of 1 mol of an ideal gas from 2 L to 10 L at 25°C, calculate the work done (in L atm). (R = 0.08206 L atm K⁻¹ mol⁻¹)

Which of the following statements correctly differentiates between elements and compounds?

What is the effect of resonance on the stability of a molecule?

A reaction mixture in a closed vessel made of conducting material (e.g., copper or steel) represents which type of system?