MCQ
Drinking water contains some salt impurities dissolved in it. When this solution is heated in an open container vapours are formed and separated slowly. In this process freezing point and osmotic pressure of remaining solution will continuously
  • A
    Increase, Decrease
  • B
    Increase, Increase
  • C
    Decrease, Decrease
  • Decrease, Increase

Answer

Correct option: D.
Decrease, Increase
d
As vapours are removed remaining solution becomes more concentrated so colligative properties increases.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Given below are two statements $:$ one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$

Assertion $(A) :$ $I - Cl$ is more reactive than $I _{2}$.

Reason $(R):$ $I - Cl$ bond is weaker than $I-I$ bond.

In the light of the above statements, choose the most appropriate answer from the options given below:

IUPAC name of m-cresol is _________.
Among $K{O_2},$ $NO_2^ - ,$ $Ba{O_2}$ and $NO_2^ + $ unpaired electron is present in
The wrong match is
Toluene reacts with excess of $C{l_2}$ in presence of sunlight to give a product which on hydrolysis followed by reaction with $NaOH$ gives
Predict the product in the given reaction
Which of the following reaction is used to make a fuel cell 
Assertion : Ethyl phenyl ether on reaction with $HBr$ form phenol and ethyl bromide.
Reason : Cleavage of $C-O$ bond takes place on ethyl-oxygen bond due to the more stable phenyl-oxygen bond
A zinc metal sample containing zinc chloride as impurity was made to react with an excess of dilute hydrochloric acid at 27°C. Liberated hydrogen gas is collected at 760mm Hg pressure that occupies 780.0cm3 volume. If the vapour pressure of water at 27°C is 14mm Hg, what is the volume of H2​ at STP? The Standard pressure is 760mm Hg (molar volume of gas at standard temperature and pressure, STP = 22.4dm3)
$CH_3-CH_2-CH_2-Cl$ $\xrightarrow{{KO{H_{\left( {aq} \right)}}}}X\xrightarrow{{{H^ \oplus }/\Delta }}Y\xrightarrow{{C{l_2}/{H_2}O}}Z\left( {Major} \right);\,Z$ is