For the Balmer series, the initial state n1 is 2 and n2 = 3, 4,... The Balmer series is the name given to a series of spectral emission lines... View Article
A maximum bond angle of 180° is possible for sp hybridization. Redistribution of the energy of orbitals of individual atoms to give orbitals of... View Article
Angle = length of Arc/ radius = L/L = 1 = [M0 L0 T0] Each derived quantity requires proper power for fundamental quantities to represent it.... View Article
The basic structural unit of silicates is SiO4-4. Silicates are the minerals containing silicon and oxygen in tetrahedral SiO 4 4- units, which... View Article
There is no percentage of lead in lead pencils, or we can say zero percentage of lead. The pencils are nowadays made of graphite, which is an... View Article
In Na2O oxidation state of O is -2. The oxidation state of an atom (sometimes also referred to as the oxidation number) in a chemical compound... View Article
The correct answer is Option (A) - Himadri The Himalayas consist of three parallel ranges -the Shivalik hills, which comprise the foothills,... View Article
The continuity of generation in the society is a common process. Each and everyone wants to see their next generation. But nowadays due to lack... View Article
Our planet earth comprises various life forms. Every organism has its own characteristics. Each one of the organism differs in its own special... View Article
Work is the product of the component of the force in the direction of the displacement and the magnitude of this displacement. Mathematically, W... View Article
According to VSEPR theory, OF2 geometry is linear. This is because of the repulsion between the lone pair electrons of oxygen and fluorine. Each... View Article
Hexamethylenediamine reacts with adipic acid to give Nylon-6,6, i.e. a condensation polymer formed by joining the monomer units with a loss of... View Article
The crystals of hydrated copper sulphate salt are blue in colour. When heated, the salt loses its water of crystallization and turns white.... View Article
Noble gases have the highest ionization energies. Also, the removal of an electron from a stable state (octet or duplet) is very difficult.... View Article
Amphoteric oxides are the oxides that behave as both acidic and basic oxides. Amphoteric oxides have properties of acidic as well as basic oxides... View Article
The oxidation number or state of an atom/ion is the number of electrons an atom/ion that the molecule has either gained or lost compared to the... View Article
Sodium (Na+) ion is mono-atomic since it consists of only one single charged atom. A monatomic ion is an ion consisting of exactly one atom.... View Article
Isotopes are the atoms of the same element having the same atomic number but different mass numbers. Isotopes of an element share the same... View Article
Poultry feed has a higher level of vitamin A and K. Vitamin K plays a key role in helping the blood clot, preventing excessive bleeding.... View Article
