[Solved] Consider the following: Pyroclastic debris Ash and dust Nitrogen compounds Sulphur compounds How many of the above are products of volcanic eruptions?

Q93. Consider the following:

1. Pyroclastic debris
2. Ash and dust
3. Nitrogen compounds
4. Sulphur compounds

How many of the above are products of volcanic eruptions?

1. Only one
2. Only two
3. Only three
4. All four

Answer: 4

• The material in the upper mantle portion is called magma. Once it starts moving towards the crust or it reaches the surface, it is referred to as lava.
• The material that reaches the ground includes lava flows, pyroclastic debris, volcanic bombs, ash and dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorene, hydrogen and argon.