Advertisements
Advertisements
प्रश्न
Which of the following will show Tyndall effect?
विकल्प
Aqueous solution of soap below critical micelle concentration.
Aqueous solution of soap above critical micelle concentration.
Aqueous solution of sodium chloride.
Aqueous solution of sugar.
उत्तर
Aqueous solution of soap above critical micelle concentration.
Explanation:
Aqueous solution of soap above critical micelle concentration leads to the formation of colloidal solution. Tyndall effect is a characteristic of colloidal solution in which colloidal particles show a coloured appearance when sunlight is passes through it and seen perpendicularly.
APPEARS IN
संबंधित प्रश्न
Define the following terms: Associated colloids
Out of MgCl2 and AlCl3, which one is more effective in causing coagulation of negatively charged sol and why?
Explain the term Electrophoresis
Why do we add alum to purify water?
What causes brownian motion in colloidal dispersion?
What is common in aqua sols and solid aerosols? How do they differ?
What is Electrophoresis?
Define the following term:
Coagulation
Coagulation value of the electrolytes AlCl3 and NaCl for As2S3 sol are 0.093 and 52 respectively. The No. of times AlCl3 has greater coagulating power than NaCl is ______.
6.84 g Al2(SO4)3 is needed to coagulate 2.5 L of As2S3 sol completely in 2.0 hrs. The coagulation value of Al2 (SO4)3 is ______.
