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3 years ago Palak23 jee jee main hydrogen Permanent hardness in water cannot be cured by: 3 years ago Palak23 jee jee main hydrogen Which physical property of dihydrogen is wrong? 3 years ago Palak23 jee jee main hydrogen Chemical A is used for water softening to remove temporary hardness. A reacts with sodium carbonate to generate caustic soda. When CO2 is bubbled through a solution of A, it turns cloudy. What is the chemical formula of A? 3 years ago Palak23 jee jee main hydrogen HCl is added to following oxides. Which one would give H2O2 (a) MnO2 (b) PbO2 (c) BaO (d) None 3 years ago Palak23 jee jee main hydrogen When substance A reacts with water it produces a combustible gas B and a solution of substance C in water. When another substance D reacts with this solution of C, it also produces the same gas B on warming but D can produce gas B on reaction with di... 3 years ago Palak23 jee jee main hydrogen H2O2 → 2H^+ + O2 + 2e^- ; E° = -0.68 V. This equation represents which of the following behaviour of H2O2? 3 years ago Palak23 jee jee main hydrogen 3.4 g sample of H2O2 solution containing x% H2O2 by weight requires x mL of KMnO4 solution for complete oxidation under acidic condition. The normality of KMnO4 solution is 3 years ago Palak23 jee jee main hydrogen A 5.0 mL solution of H2O2 liberates 1.27 g of iodine from an acidified KI solution. The percentage strength of H2O2 is 3 years ago Palak23 jee jee main hydrogen The oxidation states of most electronegative elements in the products of reaction BaO2 with dil. H2SO4 are 3 years ago Palak23 jee jee main hydrogen Hydrogen can be fused to form helium at (a) high temperature and high pressure (b) high temperature and low pressure 3 years ago Palak23 jee jee main hydrogen 34 g of H2O2 is present in 1120 mL of solution. This solution is called 3 years ago Palak23 jee jee main hydrogen A, 6 volume sample of H2O2 (a) will contain 6% V/V of H2O2 (b) will contain 6% W/V of H2O2 3 years ago Palak23 jee jee main hydrogen Which of the following statements do not define the characteristic property of water “Water is a universal solvent” 3 years ago Palak23 jee jee main hydrogen The adsorption of hydrogen by metals is called 3 years ago Palak23 jee jee main hydrogen Hydrogen molecules differ from chlorine molecules in the following respect 3 years ago Palak23 jee jee main hydrogen When two ice cubes are pressed over each other, they unite to form one cube. Which of the following forces is responsible to hold them together? 3 years ago Palak23 jee jee main hydrogen Polyphosphates are used as water softening agents because they 3 years ago Palak23 jee jee main hydrogen Among CaH2, NH3, NaH and B2H6 which are covalent hydrides? 3 years ago Palak23 jee jee main hydrogen When electric current is passed through an ionic hydride in molten state 3 years ago Palak23 jee jee main hydrogen Page 3 / 3 Prev 1 2 3 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
