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1. |
X - rays are heavily absorbed by lead atoms, but to obtain X - rays photograph of stomach barium sulphate is usually given to the patient instead of lead salt, because |
A. | Barium salts reflect less |
B. | Barium salts give brighter image |
C. | Lead salts are more poisonous |
D. | Lead salts give fainter image |
Answer» D. Lead salts give fainter image | |