Answer: Large part of Africa lies in the Northern Hemisphere. Africa is the world's second-largest continent. Africa covers for 20% of... View Article
Answer:Â (2) ns2Â np6 Argon is a chemical element in the eighteen group of the periodic table. It is the third most abundant gas in the earth's... View Article
Answer: Trachoma is an eye infection caused by the bacteria called Chlamydia trachomatis. This infection is contagious and spreads through... View Article
Answer: The strong interaction is the attractive force that brings quarks (elementary particles) together to form nucleons (protons and... View Article
Answer: [Cr(H2O)5SCN]3+ can form a linkage isomer, as here more than one atom of a monodentate ligand may function as a donor. Two or more... View Article
Answer: Immunization is the ability of the body to produce an immune response either naturally or by vaccination. These strategies help people... View Article
Elementary reactions involving two reactants called Bimolecular reactions. An elementary reaction is a reaction that occurs in a single step.... View Article
The general electronic configuration of p-block elements is ns2np1-6. The general electronic configuration of p-block elements is ns2np1-6.... View Article
The enthalpies of fusion for all reactions are always positive because melting of a solid is an endothermic process in which heat is supplied to... View Article
The Law of conservation of momentum states that the linear momentum of the system is always conserved for an isolated system. Rockets also work... View Article
During electrolytic reduction, the metals are deposited at the cathode (the negatively charged electrode). Electrolytic reduction is a type of... View Article
The composition of the nuclei of two atomic species X and Y are given as under Protons = 6(X): 6(Y) Neutrons = 6(X): 8(Y) Atomic mass of X =... View Article
The compound containing the Benzene ring is called Benzenoid. The molecules have at least one benzene ring in their chemical structure. A... View Article
Manganese in toxic concentrations leads to the deficiency of calcium, iron and magnesium as it competes with iron and magnesium for nutrient... View Article
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