Questions in chemical-aritmatic

Select	Question
	5 ml of N HCl, 20 ml of $N/2\,\,{H_2}S{O_4}$ and 30 ml of $N/3\,\,HN{O_3}$ are mixed together and volume made to one litre. The normality of the resulting solution is
	Under similar conditions of pressure and temperature, 40 ml of slightly moist hydrogen chloride gas is mixed with 20 ml of ammonia gas, the final volume of gas at the same temperature and pressure will be
	$KMn{O_4}$ reacts with oxalic acid according to the equation, $2MnO_4^ - + 5{C_2}O_4^{2 - } + 16{H^ + } \to 2M{n^{2 + }} + 10C{O_2} + 8{H_2}O$, here 20 ml of 0.1 M $KMn{O_4}$ is equivalent to
	In order to prepare one litre normal solution of $KMn{O_4}$, how many grams of $KMn{O_4}$ are required if the solution is used in acidic medium for oxidation
	What is the concentration of nitrate ions if equal volumes of 0.1 M $AgN{O_3}$ and 0.1 M $NaCl$ are mixed together
	30 ml of acid solution is neutralized by 15 ml of a 0.2 N base. The strength of acid solution is
	A solution containing $N{a_2}C{O_3}$ and $ NaOH $ requires 300 ml of 0.1 N HCl using phenolpthalein as an indicator. Methyl orange is then added to the above titrated solution when a further 25 ml of 0.2 N HCl is required. The amount of NaOH present in solution is $(NaOH = 40,\,N{a_2}C{O_3} = 106)$
	In the preceeding question, the amount of $N{a_2}C{O_3}$ present in the solution is
	How many ml of 1 (M) ${H_2}S{O_4}$ is required to neutralise 10 ml of 1 (M) $NaOH$ solution
	Which of the following cannot give iodometric titrations