Chemistry
Give two examples for each of the following:
(a) The substances which can sublime.
(b) The substances which do not change their state on heating.
(c) The substances which can flow.
Matter
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Answer
(a) Camphor, Ammonium Chloride.
(b) Oxygen, Helium.
(c) Water, Air.
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Related Questions
Match the following:
Column A Column B (a) Smallest inter-molecular spaces (i) Diffusion (b) Random motion of particles in a liquid (ii) Gases (c) Intermixing of gaseous molecules (iii) Intermolecular force of attraction (d) Highest kinetic energy (iv) Brownian motion (e) Increases with a decrease in temperature (v) Solids Name the following:
(a) The substances which can flow.
(b) The intermixing of two or more substances due to their motion.
(c) The force of attraction between the particles of a substance.
(d) The substances which have a definite shape and volume.
(e) The state of matter which is highly compressible.
(f) The temperature at which a solid starts changing into a liquid.
(g) The change of vapour of a substance directly into a solid on cooling.
Define the following terms:
(a) Matter
(b) Intermolecular force of attraction
(c) Diffusion
(d) Brownian motion
(e) Kinetic energy
Give reasons:
A gas can fill the whole vessel in which it is enclosed.