A mixture of radioactive substances gives off three types of radiations :
Name the radiation which has the highest ionizing power.

Explanation

To answer the question regarding which type of radiation has the highest ionizing power, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Types of Radiation**:
- Radioactive substances emit three main types of radiation: alpha (α) particles, beta (β) particles, and gamma (γ) rays.

2. **Understand Ionizing Power**:
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