Which of the following ranges of particle size defines the nano scale?
- A$10-100 \text{ nm}$
- B$1000-2000 \text{ nm}$
- C$1-100 \text{ nm}$
- D$100-1000 \text{ nm}$
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Similar Questions
Curdling of milk is caused due to the formation of which of the following acids by the bacteria?
Match List-$I$ with List-$II$.
List-$I$ (Colloid Preparation Method) List-$II$ (Chemical Reaction) $(a)$ Hydrolysis $(i) \; 2 AuCl_{3} + 3 HCHO + 3 H_{2}O \rightarrow 2 Au(sol) + 3 HCOOH + 6 HCl$ $(b)$ Reduction $(ii) \; As_{2}O_{3} + 3 H_{2}S \rightarrow As_{2}S_{3}(sol) + 3 H_{2}O$ $(c)$ Oxidation $(iii) \; SO_{2} + 2 H_{2}S \rightarrow 3 S(sol) + 2 H_{2}O$ $(d)$ Double Decomposition $(iv) \; FeCl_{3} + 3 H_{2}O \rightarrow Fe(OH)_{3}(sol) + 3 HCl$
Choose the most appropriate answer from the options given below.
| List-$I$ (Colloid Preparation Method) | List-$II$ (Chemical Reaction) |
| $(a)$ Hydrolysis | $(i) \; 2 AuCl_{3} + 3 HCHO + 3 H_{2}O \rightarrow 2 Au(sol) + 3 HCOOH + 6 HCl$ |
| $(b)$ Reduction | $(ii) \; As_{2}O_{3} + 3 H_{2}S \rightarrow As_{2}S_{3}(sol) + 3 H_{2}O$ |
| $(c)$ Oxidation | $(iii) \; SO_{2} + 2 H_{2}S \rightarrow 3 S(sol) + 2 H_{2}O$ |
| $(d)$ Double Decomposition | $(iv) \; FeCl_{3} + 3 H_{2}O \rightarrow Fe(OH)_{3}(sol) + 3 HCl$ |
Choose the most appropriate answer from the options given below.
DifficultJEE MAIN 2021
View SolutionThe enthalpy change for the adsorption process and micelle formation respectively are
The sol given below with negatively charged colloidal particles is:
Match the following types of colloidal systems in List-$I$ with their corresponding names in List-$II$.
List-$I$ List-$II$ $(A)$ Solid dispersed in liquid $(I)$ Emulsion $(B)$ Liquid dispersed in liquid $(II)$ Foam $(C)$ Gas dispersed in liquid $(III)$ Gel $(D)$ Liquid dispersed in solid $(IV)$ Sol $(V)$ Aerosol
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Solid dispersed in liquid | $(I)$ Emulsion |
| $(B)$ Liquid dispersed in liquid | $(II)$ Foam |
| $(C)$ Gas dispersed in liquid | $(III)$ Gel |
| $(D)$ Liquid dispersed in solid | $(IV)$ Sol |
| $(V)$ Aerosol |
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