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Accelerate JEE 2020: Mole Concept and Stoichiometry-2 (16.06.2019)
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Question 1
25 mL of a solution of barium hydroxide on titration with 0.1 molar solution of hydrochloric acid gave a titre value of 35 mL. The molarity of barium hydroxide solution was
Question 2
Experimentally it was found that a metal oxide has formula M0.98O. Metal M, is present as M2+ and M3+ in its oxide. Fraction of the metal which exists as M3+ would be
Question 3
The weight of silver (at.wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be :
Question 4
Equal masses of H2, O2 and methane have been taken in a container of volume V at temperature 27 ºC in identical conditions. The ratio of the volumes of gases H2:O2 : methane would be -
Question 5
6.02×1020 molecules of urea are present in 100 ml of its solution. The concentration of urea solution is
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Jul 16JEE & BITSAT
