SURFACE CHEMISTRY Set 1

✘ ✘ ✘ ( being integer) ✔ NULL ✔ NULL NULL

Enhances the rate of reaction in both directions ✘ Changes enthalpy of reaction ✘ Reduces activation energy of reaction ✘ Specific in nature ✔ NULL ✔ NULL NULL

Higher ✘ Lower ✘ Both (a) and (b) ✘ None of these ✔ NULL ✔ NULL NULL

Gelatin ✘ Sulphur ✘ Starch ✘ Protein ✔ NULL ✔ NULL NULL

Neutralization reaction ✘ Homogeneous catalysis ✘ Heterogeneous catalysis ✘ Irreversible reaction ✔ NULL ✔ NULL NULL

Urease ✘ Pepsin ✘ Trypsin ✘ None of these ✔ NULL ✔ NULL NULL

Increase with decrease in temperature ✘ Increase with increase in temperature ✘ Decrease with decrease in temperature ✘ Decrease with increase in temperature ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL

2 ✘ 1 ✘ 02-Feb ✘ 03-Mar ✔ NULL ✔ NULL NULL

Due to their hydrophilic tails tend to congregate ✘ Due to their hydrophobic heads provide protection ✘ Are colloid sized clusters of molecules ✘ None of the above ✔ NULL ✔ NULL NULL