NCERT Solutions for Chapter: Matter in Our Surroundings, Exercise 1: Multiple Choice Questions

The property to flow is unique to fluids. Which one of the following statements is correct?

During summer, water kept in an earthen pot becomes cool because of the phenomenon of

A few substances are arranged in the increasing order of forces of attraction' between their particles. Which one of the following represents a correct arrangement?

On converting $25°\mathrm{C},38°\mathrm{C}$ and $66°\mathrm{C}$ to Kelvin scale, the correct sequence of temperature will be

Choose the correct statement from the following.

The boiling points of diethyl ether, acetone and $\mathit{n}$-butyl alcohol are $35°\mathrm{C},56°\mathrm{C}$ and $118°\mathrm{C}$ respectively. Which one of the following correctly represents their boiling points in Kelvin scale?

Which condition out of the following will increase the evaporation of water?

In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
(i) Increasing pressure on hydrogen contained in a closed container.
(ii) Some hydrogen gas leaking out of the container.
(iii) Increasing the volume of the container of hydrogen gas.
(iv) Adding more hydrogen gas to the container without increasing the volume of the container.