📚NCERT Questions

The de Broglie relation describes the wave-particle duality of matter and is given by:

When adrenaline is secreted into the blood, what is one of its effects on the body?

In the chlor-alkali process, which gas is produced at the anode?

Besides the bony box, what additional protection does the brain have against shock?

The changes associated with puberty in females are due to the secretion of:

Which of the following is an example of a basic buffer solution?

How is the oxidation number of a metal represented in Stock notation?

What happens to the soluble impurities during electrolytic refining?

If the molar enthalpy change for vaporization of 1 mol of water at 1 bar and 100°C is 41 kJ mol⁻¹, calculate the internal energy change (ΔU) for this process. Assume water vapor behaves as an ideal ga

Calculate Δ_r G° for the conversion of oxygen to ozone, 3/2 O₂(g) → O₃(g), at 298 K if K_p for this conversion is 2.47 × 10⁻²⁹. (R = 8.314 J K⁻¹ mol⁻¹)