ECAT Chemistry Chapter 9 Solutions Online Test With Answers

image
image
image

ECAT Chemistry Chapter 9 Solutions Online Test

Sr. # Questions Answers Choice
1 What mass of NaOH is required to prepare 2.5 dm3of 1.5 M NaOH solution 130 g 140 g 150 g 160 g
2 How many cm3of 1 M H2SO4required to neutralize 10 cm3of 1 M NaOH 2 cm<sup>3</sup> 2.5 cm<sup>3</sup> 5 cm<sup>3</sup> 10 cm<sup>3</sup>
3 The term ebullioscopy is used for Depression of freezing point Elevation in boiling point Lower of vapour pressure None of the above
4 What is the molarity of a solution containing 15.0 g urea in 500 cm3of solution 0.5 M 1 M 1.5 M 2 M
5 Precipitation will occur until the ionic product becomes Equal to K<sub>sp</sub> Lesser than K<sub>sp</sub> Greater than K<sub>sp</sub> None of these
6 If ionic product of a solution is greater than solubility product, the solution is Supersaturated Saturated Unsaturated None of these
7 If the ionic product of a solution is less than the solubility product, the solution is Supersaturated Unsaturated Ideal Saturated
8 The process in which water molecules surround solute particles is called Hydration Salvation Hydrolysis Dehydration
9 The process in which the solvent molecules are surrounded and interact with solute ions or molecules is called Solvation Hydration Hydrogenation None
10 Solution may have units Molarity Molality Mole fraction All of them
11 Number of moles of solute dissolved in 1 Kg of solvent is knowns as Molarity Formality Molality Mole fraction
12 Number of moles of the solute dissolved per dm3of the solution is knows as Molarity Formality %age None of these
13 A solution can be Dilute and concentrated Saturated and dilute Saturated and unsaturated Supersaturated and saturated
14 A homogeneous mixture of two or more than two chemical substances is called Solute Solution Solvent Salvation
Download This Set