GATE Questions

---

An atom is the smallest particle of a substance. Chemical substances are divided into two major groups. They are

1. Pure Substances (and)

2. Mixtures.

There are two types of pure substances that are Elements and Compounds.

Elements : An element is a substance that is made up of only one kind of atoms and cannot be broken down into simpler substances by chemical means. Metals and Non- metals come under elements.

Examples of elements are Iron, Silver, Gold, Mercury etc.

Compounds : A Compound is a substance that is formed when two or more elements combine chemically.

Examples of compounds are Water, Carbon dioxide, methane, vinegar etc.

Mixtures : A Mixture is formed when two or more substances mixed together but not chemically combined.

Example: Air.

Former captains Rahul Dravid of India, Ricky Ponting of Australia and retired England Women wicketkeeper-batter Claire Taylor were inducted into the ICC Cricket Hall of Fame 2018 during a glittering ceremony in Dublin, Ireland.

Former Team India captain Rahul Dravid has become the fifth Indian cricketer after Anil Kumble, Sunil Gavaskar, Bishan Singh Bedi and Kapil Dev to be inducted into the ICC Hall of Fame.

Cobalt therapy or cobalt-60 therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer.

Cobalt 60 is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It is produced artificially in nuclear reactors.

The digestion process starts in the mouth and the complete digestion process completes in the small intestine where all the nutrients in the food are absorbed.

The founder of the Indian Premier League (IPL) is Lalit Modi.

Government is to set to introduce new Rs. 100 coin with image of former Prime Minister Atal Bihari Vajpayee.