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This is in accordance with 3 years ago Deepak Rock jee jee main basic concepts chemistry 2.0 g of a sample contains mixture of SiO2 and Fe2O3. On very strong heating, it leaves a residue weighing 1.96 g. 3 years ago Deepak Rock jee jee main basic concepts chemistry 1 mole of mixture of CO and CO2 requires exactly 28 g KOH in solution for complete conversion of all the CO2 into K2CO3. How much amount more of KOH will be required for conversion 3 years ago Deepak Rock jee jee main basic concepts chemistry How many moles of P4 can be produced by reaction of 0.10 moles Ca5(PO4)3F, 0.36 moles SiO2 and 0.90 moles C according to the following reaction? 3 years ago Deepak Rock jee jee main basic concepts chemistry 1.12 mL of gas is produced at S.T.P. by the action of 4.12 mg of alcohol ROH with methyl magnesium Iodide. The molecular mass of alcohol is 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry 3.92 g of ferrous ammonium sulphate crystals are dissolved in 100 mL of water. 20 mL of this solution requires 18 mL of potassium permanganate during titration for complete oxidation. 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry 250 mL of a sodium carbonate solution contains 2.65 g of Na2CO3. If 10 mL of this solution is diluted to one litre, what is the concentration of the resultant solution? 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry 50 mL 10 N H2SO4, 25 mL 12 N HCl and 40 mL 5 N HNO3 were mixed together and the volume of the mixture was made 1000 mL by adding water. 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry A transition metal M forms a volatile chloride which has a vapour density of 94.8. If it contains 74.75% of chlorine the formula of the metal chloride will be 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry What is the molarity of SO4^2- ion in aqueous solution that contains 34.2 ppm of Al2(SO4)3? 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry When burnt in air, 14.0 g mixture of carbon and sulphur gives a mixture of CO2 and SO2 in the volume ratio of 2:1 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry On subjecting 10 mL mixture of N2 and CO to repeated electro spark, 7 mL of O2 was required for combustion. What was the mole percent of CO in the mixture? 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry 100 cm^3 of 0.1 N HCl is mixed with 100 cm^3 of 0.2 N NaOH solution. The resulting solution is 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry What is the empirical formula of vanadium oxide, if 2.74 g of the metal oxide contains 1.53 g of metal? 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry In an organic compound of molar mass 108 g mol^-1 C, H and N atoms are present in 9 : 1 : 3.5 by mass. Molecular formula can be: 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry A gaseous compound of nitrogen and hydrogen contains 12.5% (by mass) of hydrogen. The density of the compound relative to hydrogen is 16. 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry Choose the incorrect formula out of the four compounds for an element X below: 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry An aqueous solution of oxalic acid dihydrate contains its 6.3 g in 250 mL. The volume of 0.1 N NaOH required to completely neutralize 10 mL of this solution 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry 5 g of benzene on nitration gave 6.6 g of nitrobenzene. The theoretical yield of the nitrobenzene will be 3 years ago Deepak Rock jee jee main bitsat basic concepts chemistry Page 2 / 4 Prev 1 2 3 4 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
