CBSE Class 12 (Science) Solid State — practice questions
34 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 12 (Science) Solid State in the app →The mole fraction of urea ($M = 60\,\text{g/mol}$) in an aqueous solution containing $6\,\text{g}$ of urea in For an ideal solution containing two volatile liquids A and B, Raoult's law gives the total vapour pressure asOsmotic pressure of a dilute solution is expressed by van't Hoff's equation as:Two solutions are said to be **isotonic** if they:If $\mathrm{NaCl}$ undergoes complete dissociation in water, the van't Hoff factor $i$ is:Desalination of sea water is best carried out by:The MOLARITY of a solution containing 58.5 g NaCl dissolved in 1 L of solution is:HENRY'S LAW states that at constant temperature:A MINIMUM-BOILING azeotrope arises from:Which of these is NOT a colligative property?Salt is sprinkled on icy roads in cold countries to:The van't Hoff factor (i) for sodium chloride (NaCl) in water is approximately:Solids are classed as crystalline or amorphous by the nature of their:In a crystal, the arrangement of particles is ordered and:A crystal is said to have order that is:Which of these is a typical crystalline solid?Glass, rubber and plastics are examples of solids that are:The Greek word amorphos means:An amorphous solid has order that is:The structure of an amorphous solid resembles that of a:Amorphous solids have properties that are the same in:A solid with the same properties in every direction is called:Crystalline solids show properties that differ with direction, so they are:Amorphous solids are described as pseudo solids or super cooled:A unit cell with particles only at the corners is called:A unit cell with particles beyond the corners is called:Centred unit cells come in how many types?A cell with one extra particle at its centre is called:A cell with an extra particle at the centre of every face is:A cell with extra particles on two opposite faces is:Particles occupying an interstitial site give a defect that is:An interstitial defect changes the density of a substance by:Vacancy and interstitial defects are shown by solids that are:Ionic solids must always maintain: