Answer: Galvanometer is used to detect presence of small current in a circuit. A galvanometer is an electromechanical system that detects... View Article
Answer: A subatomic particle is a particle with a size smaller than that of an atom. Protons, electrons, and neutrons are the three subatomic... View Article
Magnetic lines of force are the lines that depict the magnetic force that exists in the surrounding of the magnet. The properties of magnetic... View Article
Answer: Acids turn methyl orange pink/red. Methyl orange is a natural pH indicator used in titration or used to test whether a substance/a... View Article
Answer: A reaction in which two or more reactants combine to form a single product is known as a combination reaction. Combination reaction is... View Article
Answer: The Baeyer's process is used for leaching of Aluminium metal. In Bayer’s process, aluminium ore is treated with concentrated sodium... View Article
Answer: During formation of Ca(NO3)2, Calcium donates two electrons and gets converted to Ca2+, while two ammonium ions gain one electron each... View Article
Answer:Â The simplest formula or the empirical formula provides the lowest whole number ratio of atoms existent in a compound. The relative... View Article
Answer:Â Na+ has a higher electron affinity than Cl. The energy released when an electron is added to a neutral gaseous atom is known as... View Article
Answer: On heating gypsum it loses one and a half molecules of water and forms calcium sulphate hemihydrate also known as plaster of Paris.... View Article
The Pacific Ocean is the largest ocean. It is the largest and deepest of Earth's oceanic divisions. The Arctic region covers eight countries:... View Article
Answer: An alloy of lead and tin is used in the fused wire as it has a low melting point and a very high resistance. An electrical fuse is a... View Article
Answer: Total lung capacity is the maximum air which can at any time be held in the two lungs. It is 6 litres. By the age of 25, the lungs in... View Article
Answer: Evaporation increases with the increase in wind speed. Vapour particles move away when the speed of wind increases. This leads to an... View Article
Answer: Below 369 K alpha sulphur is stable and above this it transforms into beta sulphur. At 369K both the forms are stable. Sulphur exists... View Article
Answer: The function of commutator or slip ring is to change the direction of current through the coil after every half rotation. A slip ring... View Article
Answer: Iodine undergo sublimation i.e.directly changes into gaseous state without melting. Group 17 elements are collectively called as... View Article
Answer: Cubic close packing is highly efficient and 74% space in the crystal is filled. The unit cell consists of four layers of atoms in a... View Article
Answer: Saliva starts the digestive process in the mouth. Saliva is a food material that mixes with food in the mouth during chewing by teeth.... View Article
