MCQ
A mixture of benzene and toluene forms:
- ✓An ideal solution
- BNon$-$ideal solution
- CSuspension
- DEmulsion
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$(i)$ A $0.5\,m$ $NaBr$ solution has a higher vapour pressure than a $0.5\,m\,BaCl_2$ solution at the same temperature
$(ii)$ Pure water freezes at the higher temperature than pure methanol
$(iii)$ a $0.1\,m\,NaOH$ solution freezes at a lower temperature than pure water
Choose the correct answer from the codes given below

$HCHO\xrightarrow[{dil{H_2}S{O_4}}]{{NaCN}}A\xrightarrow[{\operatorname{P} t}]{{{H_2}}}B$ The product $(B)$ is