The metals ____ hydrogen in the activity series (except lead) liberate hydrogen with dil. ____ acid and ____ acid but not with ____ acid.

Explanation

To answer the question: "The metals ____ hydrogen in the activity series (except lead) liberate hydrogen with dil. ____ acid and ____ acid but not with ____ acid," we will fill in the blanks step by step.

### Step 1: Identify the Metals
The first part of the question asks about metals that are above hydrogen in the activity series. These metals include sodium, potassium, calcium, magnesium, aluminum, zinc, iron, and others (except lead).

**Hint:** Remember that the activity series ranks metals based on their ability to displace hydrogen from acids.

### Step 2: Identify the Acids
...