One of the following is NOT an indication reduction reaction: 1- Increase in oxidation number 2-Loss in oxygen 9- Solubility is? 1. Lower limit of solute can dissolved in solvent 2. Upper limit of solute can dissolved in solvent 3. Increase in concentration of acid 4. Increase in concentration of base 10- We measure solubility in: 1- Kg/m 2- m/sec 11- Crystallization is? 3-Gain electrons 4-Gain hydrogen 3-KN 4-g/100ml 1- vaporizing a liquid from solid 2- removing a substance from solid or liquid by adding a stronger solvent 3- forming a crystalline solid by cooling the solution or evaporating the solvent vaporizing a solid and re condensing the vapor 4- 13- Sublimation is? Sym 12- Distillation is? 1- vaporizing a liquid from solid 2- removing a substance from solid or liquid by adding a stronger solvent 3- forming a crystalline solid by cooling the solution or evaporating the solvent vaporizing a solid and re condensing the vapor 4- 1- vaporizing a liquid from solid 2- removing a substance from solid or liquid by adding a stronger solvent 3- forming a crystalline solid by cooling the solution or evaporating the solvent vaporizing a solid and re condensing the vapor 4- 14- Extraction is? 1- vaporizing a liquid from solid 2- removing a substance from solid or liquid by adding a stronger solvent 3- forming a crystalline solid by cooling the solution or evaporating the solvent vaporizing a solid and re condensing the vapor 5- We consider the air is a 1-homogenous 2-heterogenous 1-120.872 2-100.872 Mexure: 16- Find the boiling point for solution when add 10 g of Na014 ON 100 ml water Know that the boiling point of water 100C and K boiling-0.51 and the molar mans of NaO11-40 1-110.275 2-105.275 17- Find the boiling point for solution when add 10 g of NaCL ON 100 ml water Know that the boiling point of water 100C- and K boiling -0.51 and the molar mass of NaC1.-18.44 1- (+6.65 C) 2- (-10,65 C) 3-Acid mixure 4-Base mixure 1 318 C 2- (-3.18 C) 3-101.275 4-103.275 18- Find the freezing point for solution when add 10 g of NaOH ON 100 ml water Know that the freezing point of water 0 Cand K freeze-1.86 and the molar mass of NaOH-40 2 3- (-5 C") 4-5 C 3-110.872. 4-105.872 has 3-(+3.65 C) 4-(-4.65 C) 19-Find the freezing point for solution when add 10 g of NaCL ON 100 ml water Know that the freezing point of water 0 C and K freeze-1.86 and the molar mass of NaCL-58.44 20- The color produced in solution when the chrome Cr" reduced to Cr 3- Pink 1- Orange 2- Green 4-Blue 7. UNIVERSITY the correct (mark) From the following action awer the quedi 1 & 2 (Cro)F H. 1-Which of following us poion 10. 3-1 +10 2- Which of following substances represent reduction reaction 1- Cr 3.H 4-11-0 J 3- Which of following reaction represent oxidation reaction 1. 2Mg 0, 2MgO 2. CH+ H CJC / 1,6 4. Which of following reaction represent reduction reaction 1. 2MgO, -2MgO 3. H+ 12Cuoc 4.5+26 4-11/0 3. CHOHCH010 2. CH+H 431 4. ALAL" 3. Which of following substances represent oxidation agent from following reaction 2Mg + 0, 2MgO 1- Me 4-10 2Cu CO 2-0 6 Which of following substances represent reduction agent from the following reaction: 2Mg + 0, 2MgO 3-11+ 1- Mg fa und has 2- 0 One of the following is NOT an indication about oxidation reaction? 1- Increase in oxidation number 2- Gain oxygen 3- loss in hydrogen 4- Gain electrons