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InterviewSolution
| 1. |
A colloidal solution of gold in water is |
| Answer» <html><body><p>red in colour<br/>blue in colour<br/>golden spangles<br/>all the three.</p>Solution :Colour of a <a href="https://interviewquestions.tuteehub.com/tag/colloidal-922087" style="font-weight:bold;" target="_blank" title="Click to know more about COLLOIDAL">COLLOIDAL</a> solution depends <a href="https://interviewquestions.tuteehub.com/tag/upon-2315586" style="font-weight:bold;" target="_blank" title="Click to know more about UPON">UPON</a> particle size. As the particle size <a href="https://interviewquestions.tuteehub.com/tag/increase-1040383" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASE">INCREASE</a>, the colour of gold sol changes from red to blue and finally to golden spangles. At this stage, it turns into a suspension.</body></html> | |