pH is defined as the negative logarithm of H+ ion concentration. Hence the meaning of the name pH is justified as the power of hydrogen. The pH... View Article
Given, diameter of the vessel = 12 cm So, radius of the vessel = 12/2 = 6 cm We know that, volume of the sphere = π r 3 On substituting the... View Article
The shape of a molecule is the structure of the molecule predicted using the bond electron pair on the central atom. The geometry of a molecule... View Article
The force that always opposes the motion of one body over the other body in contact with it is known as the force of friction or frictional... View Article
Benzene is reacted with con HNO3 in presence of H2SO4 to form Nitrobenzene. Reduce it to Aniline by reacting Nitrobenzene with Sn+HCl or Fe+HCl... View Article
A cuboid, or right-angled prism, has eight corners. A cuboid is a three dimensional solid that has 6 faces (rectangular), 8 vertices and 12... View Article
Parasitism is a symbiotic relationship between two species in an ecosystem. Ectoparasites refer to a parasite that lives on its host. They cause... View Article
An angle with zero degrees measurement is called zero angles. The zero angle is an angle the measure of which is 0 regardless of the unit of... View Article
Producer gas is fuel gas, which is manufactured from coal, the natural source. Water gas is also known as synthesis gas or syn gas, which is... View Article
The habitat of the cactus plant is dry, arid desert. Cactus is a type of plant that can store large amounts of water and survive in extremely hot... View Article
Great Granary was found at Mohen-jo daro, while six small granaries were found at Harappa. The site belongs to the mature Harappan phase from... View Article
Coordinate Geometry (or analytic geometry) illustrates the link between geometry and algebra through graphs connecting curves and lines. It gives... View Article
A vascular bundle is a part of the transport system in vascular plants which is comprise two tissues. Vascular bundle consists of xylem and... View Article
Urea and diammonium phosphate are two of the compounds which contain nitrogen. Nitrogen (N), Phosphorus (P) and Potassium (K) are macronutrients... View Article
The amount of water vapour present in the air is termed as humidity .The percentage of moisture present in the atmosphere as compared to its full... View Article
The formula of cryolite is Na 3 AlF 6 . Cryolite is added to the molten mixture of alumina to reduce the melting point. Pure cryolite melts at... View Article
The compound given in the questions are different types of ions formed by the element sulfur. Sulfite - SO32- Bisulfite - HSO3- Sulfate - SO42-... View Article
