![Positive rays give flash on](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Positive-rays-give-flash-on.png)
Q. Positive rays give flash on
A. AgNO3 plate
B. AgCl plate
C. ZnO
D. ZnS
Answer: ZnS
A. AgNO3 plate
B. AgCl plate
C. ZnO
D. ZnS
Answer: ZnS
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