UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 27th November 2020. Important news and views to... View Article
Proteins are large molecules consisting of many amino-acids connected by peptide linkages. Peptide bond is produced when carboxyl radical of one... View Article
Voltmeter is an instrument used to measure potential difference between the two ends of a current carrying conductor. A galvanometer is a type of... View Article
The energy associated with a chemical reaction that can be used to do work. The free energy of a system is the sum of its enthalpy (H) plus the... View Article
The pulmonary arteries and the pulmonary veins are the vessels of the pulmonary circulation; which means they are responsible for carrying the... View Article
Answer: The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation in which the number of... View Article
Al2O3 is an inorganic compound with chemical name Aluminium Oxide. It is also called as Alumina. Alumina, commonly known as aluminium oxide... View Article
The electronic configuration of neutral S is S : 1s2 2s2 2p6 3s2 3p4 The electronic configuration of S2- is S2− : 1s2 2s2 2p6 3s2 3p6 The... View Article
The adjacent bones are united by cartilage in the cartilaginous bones which is a tough but flexible type of connective tissue. These types of... View Article
The period of the moon revolution around the earth is called a sidereal month. Our Moon [1] revolves around the Earth in a month. It also rotates... View Article
Electrolytic cell is the cell in which electrolysis of an electrolyte is done i.e., electrical energy is used to produce chemical energy.... View Article
Stereoisomers are molecules that have the same molecular formula and differ only in how their atoms are arranged in three-dimensional space and... View Article
Molar mass of NaOH=23+16+1=40 ∴ % composition of oxygen= 16/40 ×100=40% The percent composition of oxygen in sodium hydroxide is 40.000%.... View Article
The oxidation state of outer FeThe dissociation of Fe4[Fe(CN)6]3 can be written asFe4[Fe(CN)6]3 → 4 Fe3+ + 3 [Fe(CN)6]4- Hence, the oxidation... View Article
Nitrogen is important to the chemical industry. It is used to make fertilizers, nitric acid, nylon, dyes and explosives. Nitrogen makes up 78% of... View Article
Half-life means the amount of time that some element takes for half of its particular sample to react. We can describe exponential decay by the... View Article
Answer: Our solar system consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.... View Article
