He lost his job, but he believes in the saying 'when one door shuts, another opens' and is looking for new opportunities.

He chose to discard the shadow for the substance.

His art style is unique, it's neither fish nor fowl.

Sandwich compounds are being studied in a branch of chemistry.

He always buys cheap things, so in the end, it becomes 'penny wise and pound foolish'.

Acidic oxides react with water to produce acids.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

Peroxides play an important role in chemical reactions.

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

I will participate in an obstacle race this weekend.