Misch metal alloy contains about 95% lanthanoid/actinoid metais.

Explanation

To solve the question regarding the composition of misch metal alloy, we can break it down into clear steps:

### Step 1: Understand the Composition of Misch Metal
Misch metal is an alloy primarily composed of rare earth elements, particularly lanthanides. The question states that it contains about 95% lanthanoid or actinoid metals.

### Step 2: Identify the Main Components
From the information provided, we can identify that misch metal typically consists of:
- 95% lanthanoid metals (which may include elements like Lanthanum, Cerium, Neodymium, etc.)
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