Contraception can be used to prevent pregnancy, and some types will also protect you from sexually transmitted infections (STIs). Contraceptive... View Article
The positive charge on the nucleus is due to the presence of protons in it. Neutrons have no charge, and protons are positively charged.... View Article
Electron volt (eV) is used to measure energy or threshold energy or work function, The SI unit of energy is the joule (J). The electron volt... View Article
Lead is a metal that is a bad conductor of heat. Conduction is the transfer of thermal energy between particles of matter that are touching.... View Article
In terrestrial habitats, temperature and rainfall conditions are influenced by transpiration. Transpiration increases the water content in the... View Article
Hydrogen and oxygen in elemental form combine to form water. It is defined as a chemical reaction in which two or more substances combine to... View Article
The columnar epithelium has cells that are similar to the pillar to the column. The nuclei of these cells are located at the bottom and are... View Article
Evaporation of a liquid takes place at a temperature below the boiling point. Evaporation happens when a liquid substance becomes a gas.... View Article
Benzene diazonium chloride forms orange, red dye with Resorcinol, Cresol and Phenol. Benzenediazonium chloride is a colourless solid and has... View Article
Dendrites Neurons (also called neurones or nerve cells) are the brain and nervous system's fundamental units, the cells responsible for... View Article
Alpha radiations have the least penetrating power as they are massive in nature. Gamma rays are the most penetrating of all the radiations. As... View Article
The expression used to calculate the cell constant G' is G' = I/A R = ρ 1/A = 1/kA l/A is called the cell constant denoted by the symbol, G’.... View Article
Sodium and Lithium both are alkali metals. They have some common properties, but few properties make the two elements different. Alkali metals... View Article
The reaction represents Williamson's synthesis. An alkyl halide is to be primary, so a nucleophilic substitution reaction occurs. Because with... View Article
Larva of mosquito float on the surface of water and breath through a specialized tube called siphon tube. A mosquito's life can be divided... View Article
The set of numbers used to describe the position and energy of the electron in an atom is called quantum numbers. There are four quantum numbers,... View Article