Science

Hydrogen Cyanide Definition Hydrogen cyanide (HCN) is a colorless, flammable, extremely poisonous liquid that boils slightly above room temperature, at 25.6 °C (78.1 °F). Salts…

Comparing Decimals and Fractions Comparing decimals is very easy, but also very important. In fact, it’s the first thing we should learn to do in…

Chondrite Definition Chondrite is a stony meteorite that contains chondrules embedded in a fine matrix of the silicate minerals olivine and pyroxene. About 85 percent…

Gallbladder Definition Gallbladder is a small, pear-shaped muscular sac in most vertebrates in which bile is stored. The gallbladder is located beneath the liver and…

Linear Equation in One Variable Linear equation is a mathematical statement or equation that has only one variable in it. We know that to solve…

Sodium Cyanide Definition Sodium cyanide (NaCN) is a highly soluble, a white odourless crystalline soluble poisonous compound with an odour of hydrogen cyanide when damp.…

Comparing Unlike Fractions If two fractions have different numerators and denominators it is difficult to determine which fraction is larger. It is easier to determine…

Comparing Fractions with the Same Denominator A Fraction consists of two numbers separated by a line. Comparing fractions is not as straight forward as comparing common…

Gallstone Definition Gallstone is a small, hard, abnormal mass composed chiefly of cholesterol, calcium salts, and bile pigments, formed in the gallbladder or in a…

Comparing Fractions with Different Denominators A Fraction consists of two numbers separated by a line. The top number (or numerator) tells how many fractional pieces…

Meteorite Definition Meteorite is a meteor that reaches the Earth’s surface because it has not been burned up by friction with the atmosphere. Meteorites are…

Cyanide Definition Cyanide is any of a large group of chemical compounds containing the radical CN, especially the very poisonous salts sodium cyanide and potassium…