Tma3 CHM103 introductory physical chemistry
Question 1 Which of the following is not true of an solution?
Answer is it must be colourless
Question 2 which statement is correct?
Answer is as temperature goes up the ability of solids goes up
question 3 in gaseous solution the solvent is_______?
answer is gas
Question 4_______is there a ratio of molar enthalpy of a liquid to it boiling point?
answer is Trouton’s rule
Question 5 which of these mixture is not a nearly ideal liquid mixture?
Answer is carbon tetrachloride and silicon tetrachloride
Question 6 what is a compound?
Answer is substance which is made up of two or more elements chemically combined together
Question 7 which of the following is a pure substance made up of one type of atom?
Answer is element
Question 8 a mixture of graphite and diamond constitutes _________phases?
Answer is two
Question 9 molality is defined as the_______?
Answer is mole solute / kg solution
Question 10 the temperature at which the vapour pressure of a liquid equal the external pressure is called its_______?
Answer is boiling point
Question 11 pressure has an appreciable effect on the solubility of_______ in liquid?
Answer is solid
Question 12 the mole fraction of he in a gaseous solution prepared from 4.0g of He, 6.5g of Ar, and 10.04g Ne, lts _________?
Answer is 0.2
Question 13 the gaseous mixture is a______ phase system?
Answer is one
Question 14 the temperature at which a pair of partially miscible liquid become completely miscible is called______?
The answer is critical solution temperature
Question 15 what law states that the vapour pressure of a solution containing a non-volatile solute is equal to the vapour pressure of pure solvent x the mole fraction of the solvent?
Answer is Henry law
Question 16 which of these assume the shape of the container and it placed?
answer is liquid
Question 17 which of the following statement is true about compound and mixture?
Answer is both mixture and compound always contain a fixed proportion of elements by mass.
Question 18 ethanol dissolved in water will be an example of________?
Cancer is a solution between two immiscible liquid
Question 19 which of these is not a colligative property?
answer is depression of boiling point
Question 20 which of the following is a pure substance made up of one type of atoms?
answer is an elementClick Download bellow to download Omokoshaban.com News Updates, and Education Mobile App.