Find important formulae from unit Heat and Thermodynamics for quick revision. This unit contributes about 10 percent of total questions in any entrance examinations. When exams are round the corner ...

Get important terms and formulae of unit Trigonometric Function. This unit includes chapters: Trigonometric Functions, Trigonometric Identities and Inverse trigonometric function. This quick revision ...

For example, when heated, green copper(II) carbonate decomposes into black copper(II) oxide and colourless carbon dioxide gas. Nitrogen and hydrogen react together to form ammonia. Give the word ...

The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign. For example, in the formula for the area of a rectangle ...