Whenever alkyl bromides, in the form if R-X, where R is the alkyl group and X is the halogen group, react in presence of KCN (potassium cyanide),... 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
The zinc metal with high surface area and high particle size are called zinc granules. It is preferred for laboratory preparation of hydrogen gas... View Article
A fine grey powder of calcium silicate and calcium aluminate is known as cement. Cement is the binding substance that is used in the construction... View Article
Mixture of sand and sulphur may best be separated by Dissolving in CS2 and filtering. Sand and Sulphur powder is collected and dissolve it in... View Article
Active mass of solids is a constant quantity. i.e. unity. Therefore, the active mass of CaO is 1 gram because it is always equal to 1 in solids.... View Article
Saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved whereas unsaturated solutions are... View Article
Pyrex glass is heat-resistant. Pyrex glass is a borosilicate glass first produced by The Corning Glass Works company. Pyrex also has a low alkali... View Article
1 mole of P4 = 6.023 x 1023 molecules of P4. 1 molecule of P4 = 4 atoms of P. Therefore, 1 mole of P4 = 4 x 6.023 x 1023 atoms of P = 24.092 x... View Article
The curve representing Ohms law is Linear. Ohm's law exhibits a linear relationship between the applied voltage and the resulting electric... View Article
1nanometre=10Angstrom. An angstrom = 0.1 nanometer The nanometre is a bigger unit of length than angstrom. But,both are used to measure very tiny... View Article
Cryogenics is the production of and behaviour of materials at very low temperatures. The most common gases that are turned to liquid for... View Article
Neon is an inert gas (noble gas), natural, atomic number 10; it is a monoatomic gas and its atomicity is 1. The Number of Atoms in the molecule... View Article
The storage battery generally used in an electric power station is Lead-acid battery. It is cost-effective and provides a steady electric current... View Article
A solution of Magnesium Chloride conducts electricity because it is a strong electrolyte and dissociates into ions when electricity is passed... View Article
While churning the milk, a physical process of separation of milk particles is conducted in which the composition of milk does not change.... View Article
If the container is copper , then the water will cool a lot faster than if the container were plastic. We can say that thermal conductivity. That... View Article
The process of converting liquid to ice is called as freezing. During freezing, the energy lost by water molecules is gained by the surrounding... View Article
Evaporation is the process of molecules leaving the surface of a liquid and entering the space beyond the surface. It depends on partial pressure... View Article