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Uses of Radioactive Substances

The radioacti...

Question

The radioactivity of uranium minerals is usually more comparison to pure uranium. This is due to presence of:

actinium

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thorium

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radium

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plutonium

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Solution

The correct option is B radium
Due to the pressure of radium in minerals of uranium, the radioactivity of uranium minerals is usually more compared to pure uranium. Here radium is responsible for the more radioactivity of the uranium.

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