A mixture of two liquids X and Y was placed in a flask as shown in the given figure. The mixture was heated using a Bunsen burner. The boiling point of X is 230 K and that of Y is 250 K. Which of the following statements is correct?
A
The purpose of fractionating column is to decrease the surface area for cooling.
B
As the vapour travel up from Q to R, the vapour of X condense more readily.
C
When the thermometer first shows a constant reading, point P will be richer in proportion of X vapours.
D
The liquid 'Y' distills over first and is collected in beaker S.
Text Solution
Verified by Experts
The correct Answer is:
C
Topper's Solved these Questions
NSO QUESTION PAPER 2016 SET B
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos
NSO QUESTION PAPER 2016 SET A
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos
NSO QUESTION PAPER 2017 SET A
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos
Similar Questions
Explore conceptually related problems
Sohan connects three identical bulbs X, Y and Z as shown in the figure. Which of the following statements is correct?
The normal boiling point of a liquid A is 300K. Which of the following statement is false about the process: A(l) toA(g)?
The normal boiling point of a liquid X is 400 K. Which of the following statement I dtrue about the process X(l) to X(g) ?
A 5 litre flask containing 1.0g of hydrogen is heated from 300 K to 600 K Which of the following statement are correct ? .
If graph of y=f(x) is as shown in figure,then which of the following options is/are correct?
In liquid states, substances X and Y are miscible with each other. If melting point and boiling point of X are -90^@C and 70^@C respectively and that of Y are -88^@C and 107^@C respectively then, which of the following statements is correct regarding their separation?
Two wheels A and B are released from rest from points X and Y respectively on an inclined plane as shown in the figure. Which of the following statement(s) is/are incorrect?
A liquid mixture ohaving composition corresponding to point Z in the figure shown is subjected to distillation at constant pressure. Which of the following statements is correct about the process?
SCIENCE OLYMPIAD FOUNDATION -NSO QUESTION PAPER 2016 SET B-ACHIEVERS SECTION