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Q.3 Colloidal solution appears to be homogeneous but it is heterogeneous. Explain |
Answer» <html><body><p><strong>Answer:</strong></p><p>colloid appears to be <a href="https://interviewquestions.tuteehub.com/tag/homogeneous-1028736" style="font-weight:bold;" target="_blank" title="Click to know more about HOMOGENEOUS">HOMOGENEOUS</a> but <a href="https://interviewquestions.tuteehub.com/tag/actually-1968034" style="font-weight:bold;" target="_blank" title="Click to know more about ACTUALLY">ACTUALLY</a> it is heterogeneous.</p><p>2. The <a href="https://interviewquestions.tuteehub.com/tag/size-1211196" style="font-weight:bold;" target="_blank" title="Click to know more about SIZE">SIZE</a> of colloidal particles is bigger than the those of true solution but smaller than those in suspension.</p><p>3. It is between 1nm to 100nm in diameter.</p><p>4. The particles of collodial cannot be seen even with microscope. </p><p>5.The particles of colloiudal can pass through a filter paper, so colloidal cannot be separted by filtration.</p><p>6. A colloid scatters a <a href="https://interviewquestions.tuteehub.com/tag/beam-894046" style="font-weight:bold;" target="_blank" title="Click to know more about BEAM">BEAM</a> of light passing through it </p><p>hence by all these reasons , colloidal solution is cateograised as HETEROGENEOUS.</p><p></p></body></html> | |