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is used for making photographic films....

_____ is used for making photographic films.

A

`AgNO_3`

B

`KNO_2`

C

AgO

D

AgCl

Text Solution

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The correct Answer is:
To answer the question "_____ is used for making photographic films," we need to identify the correct chemical compound from the given options. ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for a substance used in the production of photographic films. 2. **Analyzing the Options**: - **Option 1: AgNO3 (Silver Nitrate)** - This compound is used in various chemical reactions and has applications in photography, but it is not directly used for making photographic films. - **Option 2: KNO2 (Potassium Nitrite)** - This compound is not related to photographic films. - **Option 3: AgO (Silver Oxide)** - This compound is not typically used in photography. - **Option 4: AgCl (Silver Chloride)** - This is known to be a photosensitive compound that is used in photographic films. 3. **Identifying the Correct Answer**: Among the options, AgCl is the only compound that is specifically known for its use in making photographic films due to its photosensitivity. 4. **Conclusion**: Therefore, the correct answer is **AgCl (Silver Chloride)**. ### Final Answer: AgCl (Silver Chloride) is used for making photographic films. ---
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