Answer: Faraday's constant can be expressed in terms of two other physical constants as F = eNA Where, e is the charge of the electron in... View Article
Answer: The charge on an electron is - 1.6 x 10-19 coulomb. An electron is a subatomic particle commonly represented as e– or e. It posses... View Article
Answer: A calorimeter is a device used to measure the quantity of heat transferred to or from an object. Cu is highly malleable, and hence very... View Article
Answer: Iodoform has antiseptic property. The antiseptic properties of iodoform is due to liberation of iodine. Antiseptics can be defined as... View Article
Answer: Protons are the positively charged particles which are present in the nucleus of a hydrogen atom. The mass of a proton is 1.6726219 ×... View Article
J. Thomson: An atom as a whole is electrically neutral because the negative and positive charges are equal in magnitude. J. J. Thomson suggested... View Article
Answer: As per Thomson’s atomic model, An atom contains a positively charged sphere in which the negatively charged electrons are implanted.... View Article
Answer: Temperatures and humidity levels increase in the summer. These changes in the atmosphere cause the sebaceous glands to produce more... View Article
Answer: A chemical test called a nitrate test is used to determine the presence of nitrate ion in any solution. A common nitrate test is also... View Article
Answer: Antoine Laurent Lavoisier stated the law of conservation of mass. The law of conservation of mass states that the mass in an isolated... View Article
Answer:Â (b) H3PO3 Acids capable of yielding mare than one hydronium ion per molecule are called polybasic acids, the dibasic, tribasic etc... View Article
Answer: Hygroscopy is the phenomenon of attracting and retaining water molecules from the external atmosphere, which is usually at normal or... View Article
Answer: Quartz is a covalent crystal. Solids with a typical geometry are known as crystalline solids.  In such type of solids, there are... View Article
Answer: Indian Ocean has been named after a country. The Indian Ocean is the only ocean named after the country of India. The shape of the... View Article
Answer: An electric motor is a device used to transform electricity into mechanical energy opposite to an electric generator. They operate... View Article
Answer: The power of combination of lenses would be the algebraic sum of the powers of the individual lenses. 1/F = 1/f1 + 1/f2 Where, P1 =... View Article
Answer: 2.2 cm to 2.8 cm is the length of medium staple cotton. The average length of a group of fibres that make up a cotton yarn is referred... View Article
Answer: The total energy is equally distributed in all possible energy modes, with each mode having an average energy equal to ½. This is known... View Article
The chemical formula of a compound means the symbolic representation of the composition of a compound. Chemical formulae provide insight into the... View Article
