A group of cells performing a particular function is called a tissue. A cell is the structural and functional unit of life. Each cell contains... View Article
Since fluorine is more electronegative than oxygen, the oxidation state of oxygen is positive and is +2 in OF2. In F2O: ⇒ 2×(−1) + x =0 ⇒ x =... View Article
A force acting between two bodies in contact is called a contact force. A contact force arises when an object is in contact with some other... View Article
In each somatic cell, there are 23 homologous chromosomes. Chromosomes are thread-like structures in which DNA is tightly packaged within the... View Article
Simple distillation is the process of separating components of a mixture containing two miscible liquids that boil without decomposition and have... View Article
The packing efficiency of a body centred cubic unit cell is 68%. The packing efficiency is the fraction of the crystal (or unit cell) actually... View Article
Mango can reproduce by grafting in which two closely related varieties can join together to give the desired characteristics. Grafting is a... View Article
Mass of the given sample compound = 0.24g Mass of boron in the given sample compound = 0.096g Mass of oxygen in the given sample compound =... View Article
Magnets come in two main types: permanent magnets and electromagnets. A permanent magnet is always magnetized whereas the magnetism of... View Article
The tropical deciduous forests are the commercially most exploited forests in India. Tropical Deciduous Forests are the most widespread... View Article
The Pulmonary vein blood vessel carries oxygenated blood from the lungs back to the heart. Therefore, it carries the highest concentration of... View Article
The velocity of a wave is v, time period T, frequency n and wavelength λ. By the definition of wavelength, Wavelength = Distance travelled by... View Article
Let us learn about the given molecules. The structure of Hydrogen sulfide is similar to that of water. In an H2S molecule, three atoms are... View Article
No, CaCO3(s) → CaO(s) + CO2(g) is an endothermic reaction. This is the decomposition of limestone to calcium oxide (quicklime) and carbon... View Article
When a body is deformed, it's centre of gravity changes. The centre of gravity (COG) of the human body is a hypothetical point around which... View Article
Turmeric turns red in basic solutions. The active ingredient present in turmeric is curcumin as an acid-base indicator. Turmeric paper turns... View Article
The maximum number of electrons that can be accommodated in a set of orbitals is six. Consequently, there are six groups occupied by the p block... View Article
Answer: Electrical lines of force can be defined as a way or a direction; they can be straight or curved so that at any point, the tangent gives... View Article