1437Chemical EngineeringMedium
Pick out the wrong statement?
Aα-particle emission from a radioactive element makes it electrically negative
BThe disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration
CA radioactive element having a half life period of 20 years will completely disintegrated in 40 years
Dβ-particle emission from a radioactive element makes it electrically positive
Correct answer
C. A radioactive element having a half life period of 20 years will completely disintegrated in 40 years
Explanation
The correct answer is A radioactive element having a half life period of 20 years will completely disintegrated in 40 years.