Which of the following are exothermic processes ? i. Evaporation of water. ii. Dilution of an acid (H₂SO4). iii. Reaction of water with quick lime. iv. Sublimation of camphor (crystals).

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A) : Relative humidity decreases with increasing air temperature. Reason (R) : Absolute humidi…

Which one of the following gives the triple point of water?

Which of the following is a correct relationship between Fahrenheit (°F) and Celsius (°C) degrees ?

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Evaporation of sweat from human skin dissipates body heat. Reason (R): High humidity on a…

Which one among the following has the least coefficient of thermal conductivity?