Answer: Fractional distillation is a kind of distillation wherein miscible liquids are separated. Repeated distillations and condensations are... View Article
Answer: Bhangar is an older alluvium that is clayey and cooler, with lime nodules known as Kankars that are found in doabs. These are older... View Article
Answer: The reaction between Ammonium chloride and Barium hydroxide is an endothermic reaction. Ba(OH)2 +2NH4Cl → BaCl2 + 2NH3 + 2H2O Ammonium... View Article
Answer: Dobereiner's triad arranged elements with similar properties into groups. Johann Dobereiner, a German chemist, classified different... View Article
Answer: The word 'alga' refers to a large and highly diverse group of photosynthetic eukaryotic lifeforms. These species are not related because... View Article
Answer: In sp3 hybridization one s and three p orbitals are involved in hybridization. Hybridization is the process of combining two atomic... View Article
Answer: During evaporation the particles of a liquid evaporate from surface. Evaporation is a surface phenomenon and its rate increases with... View Article
Answer: Seeds are present in both angiosperms and gymnosperms. Seeds are naked in gymnosperms and are covered in angiosperms. Gymnosperms are... View Article
Answer: Schleiden and Schwann proposed the cell theory. A cell is defined as the smallest, basic unit of life that is responsible for all of... View Article
Answer: The respiration which takes place without oxygen is known as anaerobic respiration. The microorganisms like yeast break down glucose... View Article
Answer: Prime Meridian divides the earth into eastern and western hemispheres. The meridian, which passed through Greenwich, where the... View Article
Answer: Nitric acid on decomposition gives out nascent oxygen which oxidizes the hydrogen to form water. Nitric acid, also known as the... View Article
Answer: The fossil fuels which are replenished again are called renewable sources of energy. Renewable energy is energy that is produced by... View Article
Answer: The barometric pressure, also known as atmospheric pressure, is the pressure that exists within the Earth's atmosphere. The standard... View Article
Answer: The isochoric process is a thermodynamic process that takes place at a constant volume. It's also known as a constant-volume process or... View Article
Answer: Hydrogen bonding refers to the formation of Hydrogen bonds, which are a special class of attractive intermolecular forces that arise due... View Article
Answer: A node is a point where there is always destructive interference. Destructive interference occurs when waves combine in such a way... View Article