Among the following which is malleable.
Metalloids
Metals
Semi-metals
Non-metals
Homogeneous and heterogeneous classification is for
Elements
Compounds
Mixtures
Salt
When a mixture of sand, sodium chloride and ammonium chloride is heated in a China dish, dense white fumes are evolved on cooling these fumes on a glass plate a white deposit is obtained. The white deposit may be :
sodium chloride
sand
sodium chloride and ammonium chloride
ammonium chloride
The amount of solute present in a given amount of solution is called its
Density
Concentration
Mass
Fluidity
A substance in which all atoms are alike is called an
compound
mixture
element
atoms
The technique used for the separation of solutes that dissolve in the same solvent is
Chromatography
Separating funnel
Evaporation
Condensation
A student was asked to prepare a true solution of sugar in water. By chance, he added sugar in excess. He stirred for quite some time but some of it settled down. He filtered the contents. The filtrate will be :
true solution
colloidal solution
suspension
can be true solution or colloidal solution