Adsorption, catalysis, colloids, emulsions, types of solutions and tyndall effect.
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Q1 · Surface Chemistry · EASY
A substance is adsorbed on the surface of a solid adsorbent. Which of the following statements is correct regarding physisorption?
Q2 · Surface Chemistry · EASY
A colloid is prepared by dispersing a substance in water. When a beam of light is passed through the colloid, the path of light becomes visible. This phenomenon is known as:
Q3 · Surface Chemistry · MEDIUM
A catalyst increases the rate of a chemical reaction by:
Q4 · Surface Chemistry · MEDIUM
An emulsion of oil in water can be stabilized by adding a small amount of soap. In this case, soap acts as:
Q5 · Surface Chemistry · HARD
Which of the following statements about physical and chemical adsorption is INCORRECT?