Question

Diatomaceous earth is commonly

• A. It has adhesive property
• B. It is largely made up of silicon oxide
• C. it is a useful ore
• D. It largely contains calcium

Answer 1

The correct option is B It is largely made up of silicon oxide

Diatomaceous earth is made up of fossilized remains of diatoms, their skeletons are made of a natural substance called silica.

So, the correct option is 'It is largely made up of silicon oxide'.