RRB ALP 2013 سوالات 78
سوال: درج ذیل میں سے کون سا چیز فوٹوگرافی میں استعمال ہوتی ہے؟
اختیارات:
A) سلور برومائڈ
B) سوڈیم برومائڈ
C) پوٹاشیم کلورائیڈ
D) سوڈیم سلفیٹ
Show Answer
جواب:
صحیح جواب: A
BETA
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