521 The compounds in which water molecules are added are called_______________? Chemistry Medium Full question → A Hydrated ions B double salts C hydrates D complexes
522 Boiling point elevations can be measured by__________________? Chemistry Medium Full question → A Beckmanns method B Landsbergers method C Linds method D none of the above
523 Solubility of KCIO3 gives__________________? Chemistry Medium Full question → A continuous and falling solubility curve B discontinuous and falling solubility curve C continuous and rising solubility curve D discontinuous and rising solubility curve
524 Mixtures which distill over without change in composition called___________________? Chemistry Medium Full question → A zeotropic mixture B azeotropic mixture C amphoteric mixture D ideal solution
525 The relative lowering of vapour pressure is_____________________? Chemistry Medium Full question → A equal to the mole fraction of solvent B equal to the mole fraction of solute C directly proportional to the mole fraction of solute D both B & C
526 In partially miscible liquids the two layers are___________________? Chemistry Medium Full question → A saturated solutions of each liquid B unsaturated solutions of each liquid C normal solution of each liquid D no layer formation takes place
527 Number of moles in 1 kg of solvent is called_________________? Chemistry Medium Full question → A normality B molarity C molality D mole fraction
528 Solution with maximum concentration of solute at given temperature is called________________? Chemistry Medium Full question → A Super saturated solution B unsaturated solution C saturated solution D dilute solution
529 Homogeneous mixture of two or more than two compounds is called__________________? Chemistry Medium Full question → A solution B compound C radical D ion
530 When common salt is dissolved in water ? Chemistry Medium Full question → A Boiling point of water decrease B Boiling point of water increase C Boiling point of water remains same D None of the above
531 Which of the following are the conditions of colligative properties_______________? Chemistry Medium Full question → A Non-electrolye solute B Non-volatile solute C Dilute solution D All of the above
532 Which of the following is an example of liquid in gas solution? Chemistry Medium Full question → A Opals B Dust particles in smoke C Paints D Fog
533 Which of the following solutions of H2SO4 is more concentrated ? Chemistry Medium Full question → A 1 Molar solution B 1 molal solution C 1 normal solution D all have same concentration
534 Ozone hole is substantial depletion of ozone in every year during__________________? Chemistry Medium Full question → A Aug – Nov B Sep – Nov C Nov – Dec D Dec – Jan
535 Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________? Chemistry Medium Full question → A Cl2 B O3 C ClO2 D both B & C
536 Chlorination of water may be harmful if the water contains_________________? Chemistry Medium Full question → A Ammonia B Dissolved oxygen C Carbon dixide D All
537 A single chlorine free radical can destroy how many ozone molecules ? Chemistry Medium Full question → A 10 B 100 C 10000 D 100000
538 With impurities like P and S the open hearth furnace is lined with ? Chemistry Medium Full question → A SiO2 B Fe2O3 C FeO D CaO MgO
539 In pig iron the concentration of C-atom is ___________________? Chemistry Medium Full question → A 0.12 — 0.25% B 2.5 — 4.5% C 2.0 — 4.0% D 0.25 — 2.5%
540 Geometry of the complex compounds usually depends upon __________________? Chemistry Medium Full question → A type of ligands B types of hybridization in the elements of ligands C hybridization of central metal D All of above