Indicator type silica gel used as a dehumidifier contains
- A$Cu^{2+}$ ions
- B$Ni^{2+}$ ions
- C$Co^{2+}$ ions
- D$Fe^{2+}$ ions
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Similar Questions
Which of the following statements is/are not correct?
$(A)$ Adsorption is accompanied by decrease in enthalpy as well as decrease in entropy of the system.
$(B)$ Gases,which can react strongly with adsorbent show chemisorption.
$(C)$ When the value of the slope of the Freundlich isotherm is non-zero,adsorption is independent of pressure.
$(D)$ Gold number of potato starch is $0.15$.
$(A)$ Adsorption is accompanied by decrease in enthalpy as well as decrease in entropy of the system.
$(B)$ Gases,which can react strongly with adsorbent show chemisorption.
$(C)$ When the value of the slope of the Freundlich isotherm is non-zero,adsorption is independent of pressure.
$(D)$ Gold number of potato starch is $0.15$.
Which of the following is not a surface phenomenon?
Easy
View SolutionThe quenching of fluorescence depends on:
Medium
View SolutionMatch the following:
List-$I$ List-$II$ $(a)$ Starch $(i)$ Shape selective catalyst $(b)$ Cane sugar $(c)$ Zeolite $(iii)$ Diastase $(d)$ Maltose to glucose $(iv)$ Invertase $(v)$ Zymase
The correct answer is:
| List-$I$ | List-$II$ | |
|---|---|---|
| $(a)$ Starch | $(i)$ Shape selective catalyst | |
| $(b)$ Cane sugar | $(c)$ Zeolite | $(iii)$ Diastase |
| $(d)$ Maltose to glucose | $(iv)$ Invertase | |
| $(v)$ Zymase |
The correct answer is:
Photographic films and plates have an essential ingredient of
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