When a hydrogen atom in a hydrocarbon (aliphatic or aromatic) is replaced by one or more —OH group , the compound is known as alcohols or phenols. In other words, hydroxy derivatives of aliphatic hydrocarbon are called alcohols while hydroxy derivatives of benzene are called phenols.
Polymers or macromolecules are very high molecular mass (10 3 – 107 u) substances each molecule of which consists of a very large number of simple repeating structural units joined together through covalent bond in a regular fashion.
Haloalkane and Haloarene are obtained by the replacement of a hydrogen atom of an alkane and arene respectively by a halogen atom (F , Cl , Br , I ) . Haloalkane contain halogen atom attached to the sp3 hybridised carbon atom of an alkyl group whereas haloarenes contain halogen atom attached to sp2 hybridised
Extracts of The Interview have taken from the chapter in order to make it more convenient for the students. Students are advised to go through them one by one to score better in upcoming board exams.
This chapter begins with a brief introduction of an interview and the common place it has acquired in Journalism and one's life. According to the author, it started almost 130 years ago.
Asokamitran, the author of Poets and Pancakes begins this chapter with an introduction to Gemini Studios and the most popular make-up brand 'Pancake' which was once used by all and sundry in the industry. It was ordered in bulk since it was used extensively by the celebrities, actors, actresses in order to look great and
Chemistry In Everyday Life teaches how we can use Chemistry in our everyday life through various mediums and experiments. Chemistry plays an important role.