Which of the following is/are true? |
|
a) |
The most radioactive element present in pitchblende is uranium. |
b) |
P-32 is used for the treatment of leukaemia. |
c) |
present in the air contains C-12 only. |
d) |
Omission of -rays changes the mass number but not atomic number |
Which of the following is/are true? |
|
a) |
The most radioactive element present in pitchblende is uranium. |
b) |
P-32 is used for the treatment of leukaemia. |
c) |
present in the air contains C-12 only. |
d) |
Omission of -rays changes the mass number but not atomic number |
P-32 is used for the treatment of leukaemia. |
present in the air contains C-12 only. |