0% 0 Chemistry Quiz 18 1 / 50 The term internal salt refers to_____________________? Basic character of amino acids Dipolar character of amino acids Acidic character of amino acids Non-polar structure of amino acids 2 / 50 Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ? Zeolites Lime Nitrates Sulphonides 3 / 50 Raney nickel is prepared from ______________________ by treating with caustic soda? Ni-Fe alloy Ni-Al alloy Ni-Cu alloy Ni-Mg alloy 4 / 50 Bohrs model is contradicted by__________________? Plancks theory All of these Dual nature of matter Heisenbergs uncertainty principle 5 / 50 Diameter of an atom is in the order of________________? 0.2pm 0.2nm 0.2mm 0.2m 6 / 50 Boron in soil has been considered micronutrient for_________________? Soil porocity Alkalinity of soil All Proper growth of plants 7 / 50 For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ? 1/3dm3 1/2dm3 2/3dm3 1/4dm3 8 / 50 Ethanol can be converted into ethanoic acid by_________________? Hydrogenation Hydration Oxidation Fermentation 9 / 50 What is the molecular weight of Ammonia (NH3) ________ ? 19.031 g/mol 17.031 g/mol 18.031 g/mol 27.033 g/mol 10 / 50 The organic acid that does not has COOH group is___________________? Succinic acid Maleic acid phthalic acid carbolic acid 11 / 50 SN2 reaction can be best carried out with__________________? secondary alkyl halide all primary alkyl halide tertiary alkyl halide 12 / 50 The molal boiling point constant is the ration of the elevation of boiling point to____________________? Molarity More fraction of solvent Mole fraction of solute Molality 13 / 50 Phosphorus helps in the growth of_________________? stem leave seed root 14 / 50 Which of the following statements is incorrect about fluorine_______________? both B and C fluorine is restricted to -1 oxidation state fluorine has lowest dissociation energy among the halogens fluorine follows octet rule and as well as extended octet rule 15 / 50 Which element has same isotopes like palladium___________________? Cadmium Calcium Tin Nickel 16 / 50 The major steps involved in complete quantitative analysis are _________________? 3 2 4 5 17 / 50 Higher value of electron affinity means__________________? Atom may form di-positive ion Atom will lose electron easily Atom will gain electron easily The reason is unknown 18 / 50 Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________? neutral solution normal solution standard solution buffer solution 19 / 50 Vapour pressure of water at 100?C is___________________? 55 mm Hg 355 mm Hg 760 mm Hg 1489 mm Hg 20 / 50 For the reaction 2HI ____________> H2+ I2 Kc > kp Kp ? kc Kp > kc Kp= kc 21 / 50 During which process empty spaces between particles become minimum ? fusion condensation evaporation ionization 22 / 50 By the addition of base in waterpH will be_______________? more than 7 no effect equal to 7 less than 7 23 / 50 The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________? sublimation evaporation crystallization vaporization 24 / 50 As a substance moves from a solid to a liquid all of the following changes occur except ? K.E of the molecules decreases intermolecular forces become weaker. molecules become more disordered. molecules move more frequently. 25 / 50 The process in which solid changes directly into vapours without passing through liquid state? None Sublimation Decantation Evaporation 26 / 50 Chemical equilibrium state is_______________? dynamic state unidirectional state free state static state 27 / 50 Molecular orbitals are filled according to _________________? Auf bau principle All these Paulis Exclusion principle Hunds rule 28 / 50 Angle of deflection was studied by________________? William Crookes Hitorff J.Perrin Stoney 29 / 50 Which of the following is not a heavy industry ? none paper fertilizer iron 30 / 50 Bucky balls is an allotropic from of__________________? Sulphur Silica Carbon Tin 31 / 50 A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ? Gamma particle Beta particle Negative particle Alpha particle 32 / 50 The metal which is used in thermite process because of its activity is____________________? copper zinc aluminium iron 33 / 50 Which one is a conductor but is not malleable ? Iron Platinum Graphite Silver 34 / 50 Chlorination of water may be harmful if the water contains_________________? Ammonia Dissolved oxygen Carbon dixide All 35 / 50 The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________? p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) 36 / 50 The rectified spirit is________________? 95% alcohol 12% alcohol 100% alcohol 90% alcohol 37 / 50 Reactivity due to pi-electrons is present in_________________? alkyne alkane alkene both B & C 38 / 50 The solvent or mixture of solvents used for separation of compounds is called____________________? Static phase Mobile phase Dynamic phase Stationary phase 39 / 50 The common thing in phthalic acid and oxalic acid is that both are_________________? Aromatic Strong acids Hydrocarbons Dicarboxylic 40 / 50 Which of the following statements is true about plasma________________? It is a conductor of electricity It is not a phase transition All of the above It may be the first state of matter 41 / 50 Compound containing benzene ring in their structure are __________________? aromatic aliphatic carboxylic acid carbohydrates 42 / 50 In an electrolytic cell current flows ? both B & C From anode to cathode outside the cell From cathode to anode in outer circuit From cathode to anode inside the cell 43 / 50 Carbohydrates are polyhydroxy compounds of___________________? Aldehydes and ketones Oligosaccharides Glucose Glyceraldehydes 44 / 50 The science of fermentation is called _______ ? Zymology Zygology Zootaxy Zymurgy 45 / 50 R-Mg-Br is called___________________? Alkyl Both A & B Metallic alkyl halide Grignard reagent 46 / 50 The stationary and mobile phases in paper chromatography are____________? Liquid/gas Solid/liquid Liquid/liquid Liquid/solid 47 / 50 The properties of an element mosly corresponds to that isotope which has greater_________________? Relative abundance all of the above Mass number Atomic mass 48 / 50 What is the molecular formula of Benzenetriozonide ? C6H6O9 C6H5O8 C6H6O6 C6H5O9 49 / 50 A real gas obeying vander waals equation will resemble the ideal gas if_______________________? a is large and b is small Both a and b are small Both a and b are large a is small and b is large 50 / 50 Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________? Electronegative halides Covalent halides Polymeric halides Polymeric hydrides Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevChemistry Quiz 17 Chemistry Quiz 19Next
