Which of the following statements about a radioactive substance is/are correct? l. lt emits radiation...
CHEMISTRY
WAEC 2012
Which of the following statements about a radioactive substance is/are correct? l. lt emits radiation continuously and spontaneously. ll. The emitted radiations are affected by temperature and pressure III. The radiation can penetrate opaque matter
- A. ll only
- B. l and ll only
- C. l and lll only
- D. ll and lll only
Correct Answer: C. l and lll only
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