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m = Z x I x tor          m= 10896500×0.5×2×60×60or              &
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Positive deviation from a Raoult s law:Mixture of ethanol and cyclohexane show positive deviation when pure ethanol is added to cyclohexane the molecule of cycl
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Let the shorter side of the rectangular field be x m.Then, diagonal of the rectangular field = ( x+ 16) mAlso, longer side of the rectangular field = (x +14) m
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Let X denote the random variable ‘number of red balls’. X can take the values 0, 1, 2, 3. Let p be the probability of getting red ball.
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It is given that ABC is a right angle triangle with AB = 6 cm and AC = 8 cm and a circle with centre O has been inscribed.Using Pythagoras theorem, we getBC2 


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It is primary halide and therefore undergoes SN2 reaction faster.
As there will be lesser steric hind– rance for the approaching nucleo– phile from the bac
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Here, A and B are mutually exclusive.P (neither A nor B) = Hence, P(neither A nor B) = 
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
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Let the concentration of the reactant be [A] = a
Rate of reaction, R = k [A]2 = ka2
(i) If the concentration of the reactant is doubled, i.e. [A] = 2a, th
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The density of 3M solution of NaCl is 1.25g ml-1.  Calculate mo clicking on this link
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Intensity of electromagnetic wave is defined as the energy crossing per second per unit area perpendicular to the direction of propagation of electromagnetic wa
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(i) Since Σ P(X) = 1∴ P(0) + P(1) + P(2) + P(3) + P(4) + P(5) + P(6) + P(7) = 1⇒ 0 + k + 2k + 2k + 3k + k2 + 2k2 + 7 k2 + k = 1But k cannot be negative
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