A) 20g B) 15g C) 10g D) 40g
A) 5.12mole B) 0.5mole C) 32.0mole D) 1.0mole
A) 0.6 mole B) 42.00 moles C) 8.4 moles D) 84 moles
A) 1.14 mol/dm³ B) 0.88 mol/dm³ C) 11.42 mol/dm³ D) 8.80 mol/dm³
A) 6.0 B) 1.7 C) 0.27 D) 2.7
A) Not scatter light rays B) Coagulate C) Dialyse D) Not sedimentate
A) Presence of heavy metal ions B) Reduction in the amount of dissolved oxygen C) Increase in the level of sediment D) Scarcity of food in water
A) Calcium hydrogen trioxocarbonate (IV) B) Calcium trioxocarbonate (IV) C) Calcium hydroxide D) Calcium tetraoxosulphate (VI)
A) White to red B) Blue to pink C) Blue to white D) White to green
A) Aluminium tetraoxosulphate (VI) B) Sodium tetraoxosulphate (VI) C) Calcium tetraoxosulphate (VI) D) Copper tetraoxosulphate (VI)
A) Na2SO4.10H2O B) MgSO4.7H2O C) Na2CO3.10H2O D) CaCl2.2H20
A) Exposure of a body of water to ultraviolet rays B) Addition of a measured quantity of chlorine to water C) Passage of river water through a sand bed D) Discharge of industrial effluents into water ways.
A) Animal hide B) Paper C) Wood D) Plastics
A) Passing of ships through the area B) Evaporation C) Pouring of detergents D) Pouring of organic solvent
A) Hydrated B) Saturated C) Super saturated D) Unsaturated
A) Passing over treated charcoal B) The use of an ion -exchange resin C) Chlorination D) Aeration
A) Sodium aluminium trioxo -silicate (IV) B) Sodium hydroxide C) Calcium hydrogen trioxocarbonate (IV) D) Calcium trioxocarbonate (IV)
A) Chlorinated water B) Spring water C) Distilled water D) Pipe borne water
A) Solution B) Solute C) Solvent D) Suspensions
A) Universal solvent B) Colloids C) Dispersion medium D) Concentration |