Scientists at Yale and in Singapore have devised what may be the ultimate acid test—a comprehensive model for estimating the ...

It has Hydrocloric Acid, kills 99.9% of household bacteria, and removes rust, lime scale & hard water stains. Using hydrochloric acid to clean a toilet can be an effective way to remove hard-water ...

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them end to end would measure 1 centimetre.