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Q. Streamline flow is more likely for liquids with

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Q. A machine gun fires a bullet of mass \(40 \mathrm{~g}\) with a velocity \(1200 \mathrm{~ms}^{-1}\). The man holding it can exert a maximum force of \(144 \mathrm{~N}\) on the gun. How many bullets can he fire per second at the most ?

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Q. A solution of urea (mol mass \(56 \mathrm{gmol}^{-1}\) ) boils at \(100.18^{\circ} \mathrm{C}\) at the atmospheric pressure. If \(K_{f}\) and \(K_{b}\) for water are \(1.86\) and \(0.512 \mathrm{Kkg} \mathrm{mol}^{-1}\) the above solution will freeze at

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Q. The units of rate constant for first order reaction are

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Q. Which of the following is not a colligative property ?

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Q. Which one of the followings has maximum number of atoms ?

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Q. The unit of electrical power is

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