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Tests
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- The first ionization energy for following metals will be in the order
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- When the sodium salt of an organic acid is strongly heated, it yields sodium carbonate. If the weight ratio of the sodium salt to sodium carbonate obtained is 5 : 4, what is the...
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- Given that x is a real number such that . Find
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- Answer the questions 1-4 based on the below paragraph. In a party P, Q, R, S, T and U are involved in a discussion. In this group, there are two married couples, who live in sa...
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- Each question or group of questions is based on a passage or a set of conditions. In answering some of the questions, it may be useful to draw a rough diagram. For each question...
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Electrostatics
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- . In the given circuit with steady current, the potential drop across the capacitor must be
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- There is 1m long aerial in car, moving from south to north with the speed of 100 km/hr. If the horizontal component of earth’s magnetic field is 0.18 oersted, the emf induced i...
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- An emf of 15 V is applied in a circuit, containing an inductance of 5 H and a resistance of in series, the growth rate of current in the circuit at the instant when the cur...
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- The harmonic mean of the roots the equation is
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- If
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- Let ‘f’ be a linear function with the properties that Which of the following statements is true?
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- If ‘K’ is a real constant and f(x) is a real quadratic in ‘x’ such that f(x + K) = f(-x) and the coefficient of is 1, then find f(x)
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- In the following question a sentence has been given in Active or Passive voice. Out of the 4 alternatives suggested select the onewhich best expresses the same sentence in passi...
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- Fill in the blank with appropriate preposition. He has copied word __ word from his friends answer sheet.
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- In the following question, choose the alternatives which can best improve the given sentence by substituting the italicised portions. Because of his mastery in this field, his...
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- Choose the alternative which can replace the italicized word: He is a candid politician
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- Identify the incorrect sentence or sentences: A. Salil got engaged with Maya last weekB. Salil and Maya had been in love since two yearsC. Initially Salils parents did not appr...
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- Choose one alternative which is opposite in meaning to the given word. Putrefy
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- If the width of slit S in Young’s double slit experiment is gradually increased:
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- Three dice are thrown simultaneously. The probability of obtaining a sum of 6 is
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- Find the altitude of cylinder of maximum volume that can be inscribed in a given sphere. [Take radius of sphere = R units]
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Chemical Kinetics
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- The activation energy of a chemical reaction can be determined by
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- The pressure at the bottom of a tank of liquid is not proportional to
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- Reduction is defined as :
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- Oxidation state of in is -
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- For the half cell At , electrode potential is
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- ABC is a triangle, right angled at A. The resultant of the forces acting along with magnitudes respectively is the force along , where D is the foot of the perpendicular from...
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- Oxidation number of P in is :
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- When is reduced with oxalic acid in acidic solution, the oxidation number of Mn changes from -
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- The size of nucleus is of the order of
