6034. Viscosity of water at 40°C lies in the range of September 7, 2025 by Admin 1 x 10⁻³ to 2 x 10⁻³ kg/m.s 0.5 x 10⁻³ to 1 x 10⁻³ kg/m.s 1 to 2 kg/m.s 0.5 to 1 kg/m.s ✅ The correct answer is option B.