Homogeneous and heterogeneous classification is for
Elements
Compounds
Mixtures
Salt
The phenomenon due to the scattering of light by the particles of dust and smoke in air is
Dispersion
Reflection
Refraction
Tyndall effect
Number of components in a solution is.
1
2
3
4
The correct sequence of steps taken for separating the mixture of ammonium chloride, sand and common salt is :
filtration, evaporation, sublimation and dissolving in water
sublimation, dissolving in water, filtration and evaporation
filtration, dissolving in water, sublimation and evaporation
evaporation, dissolving in water, filtration and sublimation
A substance in which all atoms are alike is called an
compound
mixture
element
atoms
Cloud is an example of
Aerosol
Foam
Emulsion
Sol
A process that separates a pure solid in the form of its crystals from a solution is called
Crystallisation
Condensation
Evaporation
Distillation
Fog is an example of