Chemical uses, chemistry information and industry news
Formaldehyde can be found in a variety of common household items including certain types of furniture, hygiene and cosmetic products, gas ovens, candles, and air fresheners. It’s also naturally present in fruits and vegetables such as bananas, apples, and carrots.Although formaldehyde is toxic in high concentrations, it’s relatively harmless at low levels. That being said, it’s important to be aware...
Whether you’re revising for your GCSE chemistry exam or writing up an experiment, you’ll need to have a good understanding of some key chemistry terms. But if you don’t know your hydrocarbons from your valence electrons, don’t worry - this handy GCSE chemistry glossary is here to help.Covering a range of key topics, this page outlines some basic GCSE chemistry...
The functions of the human brain, including emotions, are regulated by neurotransmitters that pass chemical messages around the body. Depression, for example, has been linked to a chemical imbalance in mood-regulating neurotransmitters like serotonin and dopamine. This imbalance may be the result of a genetic disorder, drug abuse, a traumatic life event, or - as many researchers believe - a...
An ion is an atom that has an electric charge because it’s either lost or gained one or more of its electrons. In chemistry, positively-charged ions are called cations and negatively-charged ions are called anions. Ions can exist in solutions or on their own depending on specific conditions, such as the presence of ionising radiation or a strong electrical charge like...
As part of your GCSE chemistry studies, you’ll need to have a good understanding of salts and how they’re made. Conducting practical experiments is one of the best ways to achieve this - after all, science isn’t just about theory. Here we explain the salt-making process in more detail and provide step-by-step instructions to help you carry out your own salt...
Material safety data sheets (MSDS) and safety data sheets (SDS) are important because they alert workers and end users to the hazards posed by chemical products, thereby reducing the risk of workplace accidents and illnesses. MSDS and SDS documents provide detailed information about a chemical product’s composition and its potentially harmful effects, along with instructions on how to store, handle,...
A mole is an SI unit used mainly in chemistry for measuring large quantities of very small entities like atoms, molecules, and ions. It’s the unit equivalent of a particular fixed quantity of a substance, usually in grams. One mole is equal to Avogadro's number, which has been experimentally determined to be 6.02214076 × 1023.Calculating a mole is very useful...
To succeed in your chemistry studies, you’ll need to have a good grasp of the key concepts and principles. That’s why we’ve created this handy glossary of chemical terms used in A-level chemistry. We’re constantly adding more definitions to our chemistry glossary so be sure to visit this page regularly. And if you’re looking for more help and information, don't forget...
Brick acid is very effective at removing tough dirt, limescale, and stains from brickwork. However, if it’s not used properly, this type of acid can damage bricks and cause them to become brittle. Brick acid should never be applied to natural stone surfaces like marble and limestone because it effectively dissolves the outer layer of brickwork.Also known as muriatic acid...
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