Answer: Ionosphere of the atmosphere helps in radio transmission. Our atmosphere is composed of many components. But the structure of the... View Article
Answer: Evolutionary relationships can be easily traced with the help of tools like time dating, excavating and information about DNA sequences.... View Article
Answer: The cleavage of ethers by halogen acids involves the nucleophilic attack of the halide ion on the protonated ether molecule. Greater the... View Article
Angiosperms are flowering plants that have their seeds enclosed within the fruits. Gymnosperms, on the other hand, do not bear flower and fruits... View Article
Answer: Amines are having higher boiling points than hydrocarbons, as C-N bond in amines is more polar than a C-C bond in hydrocarbons. Due to... View Article
Answer: Inert gases are example of gaseous molecule which is monoatomic. The noble gases are monatomic gases as they are unreactive in nature... View Article
Answer: The term for alternative forms of a gene is known as alleles or allele. Alleles are a pair of genes that occupy a specific location on... View Article
Answer: Propane (C3H8) is a chain of carbon atoms containing two Carbon-Carbon single bonds. Propane is also known by the names n-Propane,... View Article
Answer: The representation of a chemical reaction in the form of symbols is known as chemical equation. A chemical equation consists of... View Article
Answer: In BeF2 molecule, the valency of Be is 2 and fluorine is 1. BeF2 do have lone pairs of electrons on the fluorines, 6 electrons each to... View Article
Answer: This reaction is a combination reaction, as calcium oxide and water combines to form a single product that is calcium hydroxide. A... View Article
Answer: The first trophic level is composed of a large number of individuals i.e. producers that are capable of producing their own food by... View Article
Answer: Rutherford conducted the Gold foil experiment in 1911 and was able to definitively establish the existence of an atom and the position... View Article
Answer: Oxygen is returned to the atmosphere through photosynthesis. Photosynthesis is the process used by green plants and a few organisms... View Article
Answer: The number of dots in the Lewis symbol represents the number of valence electrons in the atom. Lewis electron dot structure is defines... View Article
Answer: Hybridization is the process of combining two atomic orbitals with the same energy levels to produce a degenerated new class of... View Article
Answer: Since the amount of pollutants present in the atmosphere is very small, atmospheric pollution is measured in parts per million (ppm).... View Article