Number of MCQs: 50 20 50 100 150 200
Q.1 Which of the following is not a fatty acid ?
Q.2 Oxidation state +1 for phosphorous is found in___________?
Q.3 A malleable solid is one which can be_________________?
Q.4 The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?
Q.5 When the radiation of light is passed through a prism, it undergoes __________?
Q.6 In diaphragm cell hydrogen is discharged by the reduction of__________________?
Q.7 Enzyme proved useful in cancer treatment is_______________?
Q.8 Two fundamental ways to transfer energy are________________?
Q.9 When chlorine is passed through hot solution of caustic soda the reaction is said as___________________?
Q.10 What are the metal bearing rocks called?
Q.11 For which of the following compounds the term empirical formula cannot be applied ?
Q.12 Picric acid is_________________?
Q.13 When an aldehyde is reacted with hydrogen cyanide a ” Cyanihydrin” is formed. This process is best termed as __________?
Q.14 Which element can form tripositive ion ?
Q.15 Equilibrium state is achieved quickly by the addition of ________________?
Q.16 Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing___________________?
Q.17 The metallic sound produced by engine due to the pre-ignition of fuel is called _______________?
Q.18 The atoms of same element having same atomic number but different mass number are called____________________?
Q.19 Grignard reagent is reactive due to___________________?
Q.20 The discovery of neutron became very late because _______ ?
Q.21 Pressure in gas discharge tube was kept________________?
Q.22 Liquid gets the shape of the container when it is poured into it. Which one of the following reasons justifies it ?
Q.23 Which of the following will have the highest boiling point ?
Q.24 The most powerful oxidizing agent among the halogens is__________________?
Q.25 The correct electronic configuration of Cr is____________________?
Q.26 Which of the following do not give aldol condensation reactions ?
Q.27 Hydrocarbon is formed when Grignard reagent is treated with___________?
Q.28 Addition of 2nd electron to a uni negative ion is always____________________?
Q.29 Oxygen and sulphur resemble in all except________________?
Q.30 What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ?
Q.31 Give Electronic configuration of Sodium:
Q.32 Elements in the same vertical group of the periodic table have same_______________?
Q.33 The boiling point increases down the zero group element due to_________________?
Q.34 Which of the following noble gases is not present in atmosphere?
Q.35 Soil pollution is caused by:_________?
Q.36 What catalyst is employed when benzene is prepared from acetylene at 70°C?
Q.37 Generally the limit of visible spectrum is__________?
Q.38 Inner transition elements are called _________________?
Q.39 One Water molecule can form maximum ______hydrogen bonds.
Q.40 Heating phenol with Zn will yield_________________?
Q.41 Which of the following reactions may be assoclated with aldehyde and ketone ?
Q.42 Polyethylene Glycols are used in the preparation of which type of detergents?
Q.43 Poisonous gas present in the exhaust fumes of a jet plane is__________?
Q.44 The Ionization energy of Hydrogen is __________?
Q.45 Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
Q.46 Positive rays give flash on________________?
Q.47 Compounds of nitrogen and phosphorus are mostly________________?
Q.48 Which of the following solutions of H2SO4 is more concentrated ?
Q.49 The common name of propane -1 3-dioic acid is____________________?
Q.50 CuSO4 + Zn?ZnSO4+Cu is___________________?
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