Sentence examples for first chemical from inspiring English sources

Thus the first chemical mutagen was discovered.

The first chemical in the usual series is a barbiturate.

Julia Coney, 36, can still remember her first chemical burn.

In 1772 he published his first chemical memoir on phlogiston.

If the first chemical works, there is no dispute that the process is quick and painless.

If the first chemical is ineffective, the other two are torturous.

The first chemical in the series is sodium thiopental, a short-acting barbiturate.

It was the first chemical weapon used in the first world war," a British official said.

Was it in the first chemical reactions in the primordial soup?

It marked the first chemical weapon attack on European soil since the first world war.

If the first chemical is ineffective as a sedative, the other two are torturous.