Modern periodic table is divided into 7 periods and 18 groups. Group 1(H, Li, Na, K, Rb, Cs, Fr) is the longest group in the periodic table. The... View Article
Answer: When electric current passes through a thin, high resistance tungsten filament of an electric bulb, the filament becomes hot and emits... View Article
Answer: The melting of the ice is given as H2O (solid state) → H2O (liquid state) Water can exist in three different physical states – solid,... View Article
Answer: The vapour pressure of a liquid depends upon the nature of liquid and temperature. Vapour pressure can be defined as the pressure... View Article
Answer: Muscle is a soft tissue found in both animals and humans. There are three types of muscles Skeletal or striated muscles Cardiac... View Article
Answer:Â Image formed by a plane mirror is always virtual and erect. The images formed from a plane mirrors are the reflected images in their... View Article
The mesosphere is the coldest layer of the atmosphere The atmosphere comprises layers based on temperature. These layers are the troposphere,... View Article
Answer: Polymers that are found in nature are called natural polymers. A polymer is produced by combining small molecules or substances into a... View Article
Answer: Hirakud dam is built across the river Mahanadi. In the Indian state of Orissa, the Hirakud Dam is located. With a total length of... View Article
Answer: Plants have an innate ability to reproduce, allowing them to create new offspring on a regular basis. Plants are living things with... View Article
Answer: The largest single use of dihydrogen is in the manufacture of ammonia. Dihydrogen is a diatomic molecule made up of two hydrogen... View Article
Answer: -3 The oxidation number of an atom is defined as the charge that an atom appears to have on forming ionic bonds with other heteroatoms.... View Article
Answer: The cell wall of Agaricus is made up of Chitin. Agaricus is a genus of mushrooms whose members contain both poisonous and edible... View Article
Answer: N.T.P - Normal Temperature and Pressure are defined as air at 20oC (293.15 K, 68oF) and 1 atm. NTP is 20°C temperature and 1 atm... View Article
Answer: The equilibrium constant for the dissolution of a solid material into an aqueous solution is the solubility product constant. The symbol... View Article
Answer: For l = 2, the value of m possible are -2.-1,0,+1,+2. The value of the magnetic quantum number is dependent on the value of the... View Article
Answer: The colour of the sky during the day-time is blue because the molecules in the air scatter blue light more than the red light because... View Article
Answer:Â 2,3 -Dimethyl-2-butene Ozonolysis refers to the organic chemical reaction where ozone is employed to cleave the unsaturated bonds of... View Article
The earth has been divided into twenty-four time zones of one hour each. Each zone thus covers 15° of longitude. The reason behind this is the... View Article
