Monthly archives: April, 2016

What is an Element

What is Element ? Definition of Element           Substance which consists of only one type of atom is known as element. So we can say that, an element is a substance which is made up entirely from the one type of atom. Example of Element Element Hydrogen, Element Carbon, Element Oxygen, Element Nitrogen, Element Chlorine, Element …

What is an atom?

What is an atom? Atom is basic building block of all matter. An Atom Have 1. Nucleus Nucleus is very small and heavy part of the atom. 2. An Surrounding Electron Cloud Surrounding electron cloud is large and lightweight part of the atom. Nucleus of an Atom  Nucleus Contains Protons  Protons have a positive charge. …

10 Class- Periodic Classification of Elements

Periodic Classification of Elements In year of 1800 about 30 elements were known but at present we know about 114 elements. All these elements have different properties. So to study about these elements easily, scientists start searching some patterns in the properties to arrange these elements. Early Attempts in the Classification of Elements                                                                    This …

10 Class- Carbon and its Compounds

Carbon and Its Compounds Allotropes of Carbon – Fulleren-Diamond-Graphite ·             Instead of gaining and loosing electrons, carbon shares its 4-electrons with another element or carbon to form molecule. ·             Covalent bonds are formed as a result of sharing of electrons. Example- H2, O2, N2. Covalent compounds have low melting point and boiling point due to …

10 Class- Metals and Non-Metals

Metals and Non-Metals Metals             Metals are the solid materials which are typically hard, malleable, ductile and conduct heat and electricity, and also posses metallic lusture. Example- Iron, Gold, Aluminium, Silver, Copper etc. Non-metals                     Nonmetals are chemical elements which lacks metallic properties. Non metals are either solids or gases except Bromine (Br2), which occurs …

10 Class- Acids, Bases and Salts

Acids Bases and Salts ·       Natural indicator of acids and bases – Litmus, Turmeric ·       Synthetic indicator of acids and bases – Methyl Orange, Phenolphthalein ·       Olfactory indicators of acids and bases – Odor of these substance changes in acids and bases. pH scale for Acid Neutral and Alkaline (or Base) & Acid Base strength …

what is chemistry

What Is Chemistry Definition of Chemistry ? It is the branch of science which deals with the study of composition, properties and interaction of matter.Now you may have question or queries related to matter like….. What Is Matter ? Anything which has mass and occupies space known as matter. Ex:- Water, pencil, pen, book etc. Physical …

MAIN REGULATORY BODIES AROUND THE WORLD FOR PHARMACEUTICAL PRODUCTS

MAIN REGULATORY BODIES AROUND THE WORLD FOR PHARMACEUTICAL PRODUCTS Medicines are chemical or natural products used for healing, diagnosing, treating and improving health. These medicines contain API and Excipient. API is the main active drug which provide therapeutic effect and biologically active.  Excipient is non-active ingredient added in formulation along with API in medicine formulation. …