1
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is correct for chemisorption?

A

Chemisorption is reversible.

B

Multilayer adsorption takes place.

C

Adsorption increases with temperature.

D

The heat of adsorption is generally less than $40 \mathrm{~kJ} \mathrm{~mol}^{-1}$.

2
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The gold numbers of gelatin, haemoglobin and sodium acetate are $5 \times 10^{-3}, 5 \times 10^{-2}$ and $7 \times 10^{-1}$, respectively. The protective actions will be in the order

A

Gelatin < haemoglobin < sodium acetate

B

Gelatin > haemoglobin > sodium acetate

C

Haemoglobin $>$ gelatin $>$ sodium acetate

D

Sodium acetate $>$ gelatin $>$ haemoglobin

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