MCQ on Ac Generator
MCQ on Ac Generator Q1: An alternator is an electromechanical ac generator. True False Answer: (B) False Q2: In A.C generator increasing the no. of turns in the coil Decreases…
MCQ on Voltage Regulator
MCQ on Voltage Regulator Q1: Which of the following is considered as three-pin voltage regulator ICs? Voltage regulators which are adjustable Fixed voltage regulator Both a and b Answer: (c)…
MCQ on Mass Defect
MCQ on Mass Defect Q1: If the radius of the 13Al27 nucleus is taken to be RAl then the radius of 53Te125 nucleus is nearly (53/13)1/3RAl 5/3 RAl ⅗ RAl…
MCQ on Keplers Law
MCQ on Keplers Law Q1: When a planet orbits the Sun, one of the foci of the elliptical orbit is The axis The perihelion The centre The Sun Answer: (d)…
MCQs on Decomposition Reaction
MCQs on Decomposition Reaction CO2 obtained by the complete decomposition of 20 g CaCO3 at STP is (a) 4.48 l (b) 2.24 l (c) 44.8 l (d) 48.4 l Answer:…
MCQs on Titration
MCQs on Titration Which of the following is used as an indicator in the titration of iodine with hypo? (a) Methyl red (b) Methyl orange (c) Starch (d) Potassium ferricyanide…
MCQs on Atmosphere
MCQs on Atmosphere The term biosphere refers to (a) Rocks and minerals (b) Plants and animals (c) Water sources (d) Atmosphere and lithosphere Answer: (b) The boundary between troposphere and…
MCQs on Glucose
MCQs on Glucose ????-D(+)-Glucose has how many asymmetric carbons? (a) 4 (b) 3 (c) 6 (d) 5 Answer: (a) In the process of glycolysis (a) glucose is converted to haem…
MCQs on Fuel Cell
MCQs on Fuel Cell Which of the following converts energy from the combustion of fuel directly to the electrical energy? (a) Ni-Cd cell (b) Dynamo (c) Fuel cell (d) Electrolytic…
MCQs on Chlorine Gas
MCQs on Chlorine Gas Which among the following is the strongest oxidising agent? (a) F2 (b) I2 (c) Br2 (d) Cl2 Answer: (a) Calcium chlorite has the molecular formula (a)…
MCQs on Quantum Numbers
MCQs on Quantum Numbers Which of the following quantum numbers can distinguish between two electrons present in the same orbital? (a) Azimuthal quantum number (b) Principal quantum number (c) Magnetic…
MCQs on Entropy
MCQs on Entropy For spontaneous adsorption of gas (a) ΔS is negative so ΔH should be highly positive (b) ΔS is negative so ΔH should be highly negative (c) ΔS…
MCQs on Aromaticity
MCQs on Aromaticity Which of the following compounds is not aromatic? 2. Which of the following is not a characteristic property of arenes? (a) Delocalisation of ????-electrons (b)…
MCQs on Benzene and its Derivatives
MCQs on Benzene and its Derivatives This can be a halide in the Friedel Crafts reaction (a) isopropyl chloride (b) chlorobenzene (c) bromobenzene (d) chloroethene Which of the following will…
MCQs on VSEPR Theory
MCQs on VSEPR Theory Which of the following species has 120° bond angles? (a) NCl3 (b) PH3 (c) ClF3 (d) BCl3 Which of the following species has a trigonal planar…
MCQs on Hydrocarbons
MCQs on Hydrocarbons Choose the process by which liquid hydrocarbons can be converted to gaseous hydrocarbons (a) hydrolysis (b) oxidation (c) cracking (d) distillation under reduced pressure Answer: (c) Which…
MCQs on Structure of Atom
MCQs on Structure of Atom How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m1 = 0 ? (a) 3 (b) 1 (c)…
MCQs on s-Block Elements
MCQs on s-Block Elements Which of the compounds is known as Slaked lime? (a) CaO (b) CaSO4 (c) Ca(OH)2 (d) CaCO3 Answer: (c) Which of the ions have maximum hydration…
MCQs on Thermodynamics
MCQs on Thermodynamics What will be the value of ΔH, if the forward and reverse reactions have the same energy of activation? (a) ΔH = ΔG = ΔS = 0…
MCQs on Redox Reaction
MCQs on Redox Reaction Which of the compounds can exist together? (a) HgCl2, SnCl2 (b) FeCl3, KI (c) FeCl3, SnCl2 (d) FeCl2, SnCl2 Answer: (d) One mole of ferrous oxalate…
MCQs on p-Block Elements
MCQs on p-Block Elements Find the amphoteric oxide (a) CaO2 (b) CO2 (c) SnO2 (d) SiO2 Answer: (c) Graphite has a structural similarity with (a) B2H6 (b) B4C (c) B…