KVPY Government Jobs Exams

Upon mixing equal volumes of aqueous solutions of 0.1 M HCl and 0.2 M H2SO4, the concentration of H+ in the resulting solution is
option
(A) 0.30 mol/L
(B) 0.25 mol/L
(C) 0.15 mol/L
(D) 0.10 mol/L

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KVPY Other Question

150 g of ice is mixed with 100 g of water at temperature 80 oC. The latent heat of ice is 80 cal/g and the specific heat of water is 1 cal/gC. Assuming no heat loss to the environment, the amount of ice which does not melt is
option
(A) 100 g
(B) 0 g
(C) 150 g
(D) 50 g The number of moles of Br2 produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is
option
(A) 1
(B) 3
(C) 2
(D) 4