In the equation, Go = – nF Eo cell: F is________
Answer: Faraday’s constant can be expressed in terms of two other physical constants as F = eNA Where, e is... View Article
Latest Posts
State the charge on an electron in coulomb
Answer: The charge on an electron is – 1.6 x 10-19 coulomb. An electron is a subatomic particle commonly represented... View Article
Why is a calorimeter box made up of Copper?
Answer: A calorimeter is a device used to measure the quantity of heat transferred to or from an object. Cu is highly... View Article
Does Iodoform exhibhit antispetic property?
Answer: Iodoform has antiseptic property. The antiseptic properties of iodoform is due to liberation of iodine. Antiseptic property Antiseptics can be... View Article
What is the charge of a proton in coulombs?
Answer: Protons are the positively charged particles which are present in the nucleus of a hydrogen atom. The mass of a... View Article
Give an example of an artificial ecosystem.
Answer: An ecosystem is defined as a community of lifeforms in concurrence with non-living components, interacting with each other. Types... View Article
Compare all the proposed models of an atom.
J. Thomson: An atom as a whole is electrically neutral because the negative and positive charges are equal in magnitude.... View Article
Explain how the atom is neutral as a whole?
Answer: As per Thomson’s atomic model, An atom contains a positively charged sphere in which the negatively charged electrons are... View Article
Why does skin become oily in humid weather?
Answer: Temperatures and humidity levels increase in the summer. These changes in the atmosphere cause the sebaceous glands to produce... View Article
Why does Barium Nitrate not give Ring test?
Answer: A chemical test called a nitrate test is used to determine the presence of nitrate ion in any solution.... View Article
Who stated the Law of conservation of mass?
Answer: Antoine Laurent Lavoisier stated the law of conservation of mass. Law of Conservation of Mass The law of conservation... View Article
Which one of the following is dibasic acid? (a) H3PO4 (b) H3PO3 (c) H3BO3 (d) H3AsO4
Answer: (b) H3PO3 Acids capable of yielding mare than one hydronium ion per molecule are called polybasic acids, the dibasic, tribasic... View Article
Give an example of a hygroscopic substance.
Answer: Hygroscopy is the phenomenon of attracting and retaining water molecules from the external atmosphere, which is usually at normal... View Article
Name the mineral which has a covalent bond.
Answer: Quartz is a covalent crystal. Covalent Solid Solids with a typical geometry are known as crystalline solids. In such type... View Article
Which ocean has been named after a country?
Answer: Indian Ocean has been named after a country. The Indian Ocean is the only ocean named after the country of... View Article
What is the principle of an electric motor?
Answer: An electric motor is a device used to transform electricity into mechanical energy opposite to an electric generator. They... View Article
What is the power of combination of lenses?
Answer: The power of combination of lenses would be the algebraic sum of the powers of the individual lenses. 1/F... View Article
What is the length of medium staple cotton?
Answer: 2.2 cm to 2.8 cm is the length of medium staple cotton. The average length of a group of fibres that... View Article
What is the law of equipartition of energy?
Answer: The total energy is equally distributed in all possible energy modes, with each mode having an average energy equal... View Article
What is meant by the term chemical formula?
The chemical formula of a compound means the symbolic representation of the composition of a compound. Chemical formulae provide insight... View Article
