chapter 1 Flashcards
what is matter?
anything that has mass and occupies space is known as matter
what did philosophers classify matter as ?
in olden days philosophers classified matter as panchatatva i.e. air, fire, water, sky and earth
how many particles of matter are present in just one crystal?
millions if not billions
are matter of particles are constantly in motion ?
yes
what is intermixing of 2 different type of matter own their own known as?
diffusion
what energy do particles of matter posses?
kinetic energy
what keeps particle of matter attracted?
force
what are the three features of solid
- definite volume
- distinct boundaries
- fixed volumes
do liquids have fixed shape?
no
do liquids have fixed volume?
yes
can solid, liquid and gas diffuse in liquids
yes
whose rate of diffusion is high
liquid or solid
liquid
which of the following are highly compressible
gases
liquid
solid
arrange in ascending odder?
solid
liquid
gas
what are three states of matter?
solid
liquid
gas
what happens on increasing of temperature in solids ?
On increasing the temperature of solids. the kinetic energy of the particles increases. Due to the increase in kinetic energy, the particles start vibrating with greater speed. The energy supplied by heat overcomes the forces of attraction between the particles. The particles leave their fixed positions and start moving more freely.