Answer: Energy consumed by an electric heater can be obtained with the help of the expression P= W/T. Where, Power rating of the heater (P) =... View Article
Each shell can accommodate a maximum of 2n2 electrons. K shell with the value of n=1 can have a maximum of 2 electrons. The maximum number of... View Article
According to the modern revised model of an atom, electrons are confined to clearly defined orbits.  Electrons occupy only certain orbits around... View Article
The major sources of freshwater in cities, towns and villages are given below: Rivers Lakes Ponds Ground water In peninsular India, the... View Article
Phenyl magnesium bromide converts RCOR' group into RR'C(C6H5)OH. All three types of alcohol (primary, secondary and tertiary) can be prepared... View Article
It can exist in solution as zwitterions +NH3CH2COO-. In an acidic medium, the ion is added to and it becomes NH3+​CH2​COOH. In a basic... View Article
If 1 J of work is required to move a charge of amount 1 C from one point to another, then it is said that the potential difference between the... View Article
The correct general electronic configuration of group 13 elements is ns2 np1 since they have 3 electrons in the valence shell. All of them has... View Article
(i) Pb The outermost electronic configuration of Pb is ns2np2, hence it belongs to group 14 and not group 13. The group 13 elements are the... View Article
A cow is dependent on plants for its food. The single word for this sentence is a cow is a heterotroph. Those organisms which are dependent upon... View Article
The oxidation of sodium borohydride with iodine in diglyme gives diborane. Reaction The action of a metal hydride with boron produced diborane.... View Article
(b) Fern is a producer Fern is an avascular, seedless plant that belongs to the group Pteridophyta. There are about 12 000 types of ferns that... View Article
Crops are plants grown by the farmers. Agriculture plays a very important role in the Indian economy. It is the backbone of our country. 70% of... View Article
Given that Charge,q = 1 C Potential difference V = 6 v To find out We need to find the energy given to each coulomb of charge passing through... View Article
A normal eye is unable to clearly see the objects placed closer than 25 cm because the ciliary muscles of the eyes are unable to contract beyond... View Article
The electrovalent compound is formed by the transfer of electrons from a metal to a non-metal. The bond formed between them is known as the ionic... View Article
The process of extraction of aluminium is known as the Hall-Heroult process. The Hall-Heroult process is widely used in the extraction of... View Article
the term used for the plants that have naked embryos and vascular tissue is Pteridophytes. These have naked embryos and vascular tissue.... View Article
