Quiz-1 : Particulate Nature of Matter

What is the difference between evaporation and boiling?

Boiling point is specific for every element but evaporation always happens

What is the difference of impact of elements on indicator paper?

Basic gasses turns the paper blue while the acidic ones turn the paper red

What is the impact of changing state on the temperature?

During charge of state temperature does not change

What is the relation between temperature and kinetic energy?

Kinetic energy depends on the temperature. If the temperature increases, the kinetic energy of the particles increase too.

What is the function of kinetic energy?

Kinetic energy is used to break the intermolecular forces.

Attraction force →

What is lubricant?

Any substance that reduces friction between two surfaces that are moving against each other

Why lead slides over paper?

Lead is a mixture of graphite and clay. Graphite is made of layers of carbon atoms arranged in sheets. These layers are not strongly bonded to each other so they can slide over each otter easily