Category: Chemistry

A chemical change is called a chemical reaction. By: Ashok Kumar Created By School Address Email Class Unknown Orissa

Phosphorous is a non metal placed inVA group of periodic table . Its atomic number is 15.it exhibits valency 3,5. By: Ashok Kumar Created By School Address Email Class C.D.ANURADHA MPUHSS CHENNAI, TAMILNADU 9th

Phosphorus is commonly misspelled “phosphorous”. It is an essential component of living systems and is found in nervous tissue, bones and cell protoplasm. By: Vikrant Mishra Created By School Address Email Class Hemavathy General Cariappa.Hr.Sec.School Tamil Nadu

Phosphorus (P) is an essential element classified as a macronutrient because of the relatively large amounts of P required by plants. Phosphorus is one of the three nutrients generally added to soils in fertilizers. By: Ashok Kumar Created By School Read More …

Let’s learn about nitrogen cycle. By: Ashok Kumar Created By School Address Email Class Govt. Boy’s High School Bhuwaneswar,Orissa

Methane molecule consists of one carbon and four hydrogen atoms (CH4).It is the major constituent of natural gas. Natural gas contains 94.6% methane. By: Ashok Kumar Created By School Address Email Class Mrs. Hemavathy General Cariappa .Hr.Sec.School Tamil Nadu 9th

Iron is a very useful thing. We use Iron in many work. In Iron we made many types 0f things. Iron is also in our body cells. Iron is the most hardest thing in the world. By: Ashok Kumar Created Read More …

Atoms are made up of extremely small particles called Neutrons, Protons and Electrons. By: Vikrant Mishra Created By School Address Email Class Unknown Orissa 9th

Hydrogen was discovered in 1766 by Cavendish he also proved that it is an element. Lavoisier named it as hydrogen. The world hydrogen means “ water generating gas”.’ By: Ashok Kumar Created By School Address Email Class Jancy Janevoa T.V. Read More …

Hydrocarbons, in organic chemistry, family of organic compounds, composed entirely of carbon and hydrogen. By: Ashok Kumar Created By School Address Email Class Mrs. A.MARY St. Joseph’s Hr. Sec. School Chennai,Tamil Nadu. SJMary2001@yahoo.co.in 9th & 10th