In this chemistry experiment, we will learn about the dangers of cyanide compounds.

I will participate in an obstacle race this weekend.

In this situation, the proverb 'it is best to submit to circumstances' applies.

He took action to stir up unnecessary problems, like poking a bush and bringing out a snake.

Basic oxides react with acids to produce salt and water.

This area is affected by radioactive fallout from past nuclear tests.