Tritium is one of the radioactive isotopes.

Arsine is a colorless, odorless, and highly toxic gas.

The pH of this liquid is 7.

Hydrogen peroxide is often used for disinfecting wounds.

Lithium hydride plays an important role in chemical reactions.

This soup made from boiled rice is very delicious.

His efforts were a drop in the bucket.

I use distilled water for the experiment.

I often drink carbonated water.

I found a big puddle in the park.