Here you can find CCEA past papers for GCSE Chemistry (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...

Four billion years ago, the Earth looked very different than it does today, devoid of life and covered by a vast ocean. Over the course of millions of years, in that primordial soup, life emerged.

One of the important objectives of green chemistry is the use of eco-friendly solvents and catalysts to perform chemical reactions. Catalysts such as organocatalysts, enzymes, and ionic liquids have ...

Researchers at the University of California, Santa Barbara, unveiled a new modular way to combine three mix-and-matchable molecular pieces into new amino acid derivatives using an engineered enzyme ...