277587 The no. of positively and negatively charged sols respectively in the following are $\mathrm{TiO}_{2}$, blood, $\mathrm{CdS}, \mathrm{Cu}, \mathrm{Ag}, \mathrm{Clay}, \mathrm{SiO}_{2}, \mathrm{Fe}_{2} \mathrm{O}_{3}$.

277588 Which of the following form an ideal solution?
(I) Chloroethane and bromoethane
(II) Benzene and toluene
(III) $\mathrm{n}$ - Hexane and $\mathrm{n}$ - heptanes
(IV) Phenol and aniline

277589 Which of the following statement is not correct for azeotropes?

277590 Which of the following mixtures show negative deviation from Raoult's law?
(I) $\mathrm{CHCL}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(II) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}$
(III) $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(IV) $\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}$

277587 The no. of positively and negatively charged sols respectively in the following are $\mathrm{TiO}_{2}$, blood, $\mathrm{CdS}, \mathrm{Cu}, \mathrm{Ag}, \mathrm{Clay}, \mathrm{SiO}_{2}, \mathrm{Fe}_{2} \mathrm{O}_{3}$.

277588 Which of the following form an ideal solution?
(I) Chloroethane and bromoethane
(II) Benzene and toluene
(III) $\mathrm{n}$ - Hexane and $\mathrm{n}$ - heptanes
(IV) Phenol and aniline

277589 Which of the following statement is not correct for azeotropes?

277590 Which of the following mixtures show negative deviation from Raoult's law?
(I) $\mathrm{CHCL}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(II) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}$
(III) $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(IV) $\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}$

277587 The no. of positively and negatively charged sols respectively in the following are $\mathrm{TiO}_{2}$, blood, $\mathrm{CdS}, \mathrm{Cu}, \mathrm{Ag}, \mathrm{Clay}, \mathrm{SiO}_{2}, \mathrm{Fe}_{2} \mathrm{O}_{3}$.

277588 Which of the following form an ideal solution?
(I) Chloroethane and bromoethane
(II) Benzene and toluene
(III) $\mathrm{n}$ - Hexane and $\mathrm{n}$ - heptanes
(IV) Phenol and aniline

277589 Which of the following statement is not correct for azeotropes?

277590 Which of the following mixtures show negative deviation from Raoult's law?
(I) $\mathrm{CHCL}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(II) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}$
(III) $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(IV) $\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}$

277587 The no. of positively and negatively charged sols respectively in the following are $\mathrm{TiO}_{2}$, blood, $\mathrm{CdS}, \mathrm{Cu}, \mathrm{Ag}, \mathrm{Clay}, \mathrm{SiO}_{2}, \mathrm{Fe}_{2} \mathrm{O}_{3}$.

277588 Which of the following form an ideal solution?
(I) Chloroethane and bromoethane
(II) Benzene and toluene
(III) $\mathrm{n}$ - Hexane and $\mathrm{n}$ - heptanes
(IV) Phenol and aniline

277589 Which of the following statement is not correct for azeotropes?

277590 Which of the following mixtures show negative deviation from Raoult's law?
(I) $\mathrm{CHCL}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(II) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}$
(III) $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}$
(IV) $\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}$