The atomic number of sulphate is 16. The atomic number of a chemical element is the number of protons found in the nucleus of every atom of that... View Article
Centrifugation is a technique used to separate the mixtures or particles from a solution by applying centrifugal force. The principle of the... View Article
The answer is (B) Insoluble Zeolites The zeolite softening process is used for commercial water purification, softening, cryosorption and other... View Article
The answer is (C) Gasoline Gasoline or petrol is a transparent, flammable and liquid petroleum product primarily used as a fuel in most... View Article
The disadvantages of synthetic fibres are: Synthetic fibres contain chemicals that may harm our skin. They melt very easily They catch fire... View Article
Given that, the valency of sodium is 1 and the valency of chlorine is 1. Therefore, the formula for sodium chloride is NaCl. To learn more... View Article
In a balanced chemical reaction, the number of atoms in each element of a reactant side should be equal to the number of atoms of that element on... View Article
Diamond is the hardest non-metal. Diamond is a solid form of pure carbon with its atoms arranged in a crystal. It is a naturally occurring... View Article
Exothermic reactions refer to the reactions in which energy is released, either in heat or light. The decomposition of vegetable matter into... View Article
Chlorine is the second lightest halogen and appears between fluorine and bromine in the periodic table. It is represented as Cl. The atomic... View Article
A compound is a chemical substance of many identical molecules composed of atoms from more than one element held together by chemical bonds.... View Article
The answer is (B) Chemical Composition. According to the chemical reaction: N2(g) + 3H2(g) 2NH3(g) It is a chemical combination reaction.... View Article
1mol of Mg reacts to give 1 mol of MgO The total number of moles of Mg in 1.2g is 1.2 / 24 = 0.05 mol of Mg. Therefore, the number of moles of... View Article
