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National Testing Agency (NTA) conducts Joint Entrance Examination, JEE (Main), for admission to undergraduate engineering programs at NITs, IIITs, other Centrally Funded Technical Institutions (CFTI), institutions funded by participating State Governments, and other Institutions.
JEE (Main) is also an eligibility test for the JEE (Advanced), which you have to take if you are aspiring for admission to the undergraduate programs offered by the IITs.
The JEE (Main) is conducted twice before admissions in the next academic session. This gives you one more opportunity to improve your score if you fail to give your best in the first attempt without wasting the whole academic year. The best of the two NTA scores is considered for preparation of Merit List and Ranking.
Latest Updates
Halo Arenes
April 22, 2023
Halo arenes are obtained by replacement of hydrogen atom of aromatic hydrocarbon by halogen.
Read MoreAlkyl Halides
April 18, 2023
Alkyl halides are esters of alcohols and hydracids. Based on the carbon to which halogen is attached, alkyl halides are classified into primary, secondary and tertiary halides.
Read MoreAromatic Hydrocarbons
April 14, 2023
Benzene is the parent member of Aromatic compounds. The compounds which resemble benzene in structure and properties are called aromatic compounds. Aroma means fragrant smell (pleasant smell).
Read MoreBasics of Organic Chemistry
March 11, 2023
Organic compounds are carbon compounds and the study of chemistry of carbon compounds is called organic chemistry. Organic compounds contain Carbon, Hydrogen, essentially and Oxygen, Nitrogen, Sulphur, Phosphorus, Halogen frequently.
Read MoreEnvironmental Chemistry
March 06, 2023
Environment constitutes air, water, soil, plants and atmosphere around us. The branch which deals with the relationship between living organisms and environment is called environmental chemistry.
Read MoreTransition Elements
March 06, 2023
The elements in which the differentiating electron enters the d-orbital of the penultimate shell are called d-block element. d-block elements are present in between electropositive s-block elements and electronegative p-block elements in the periodic table.
Read MoreGroup 18 Elements
March 01, 2023
Helium, Neon, Argon, Krypton, Xenon and Radon are collectively known as noble gases or Aerogens or rare gases. They have completed s and p orbitals in the outer shell.
Read MoreGroup 17 Elements
February 24, 2023
F, Cl, Br, I and At constitute the VII A group in periodic table. They are p - block elements and their outer shell configuration is ns2np5.
Read MoreGroup 16 Elements
February 19, 2023
VI A group contains oxygen, sulphur, selenium, Tellurium and polonium belongs to p-block of periodic table. The first four elements are collectively called as chalcogens since many metals occur as oxides and sulphides.
Read MoreGroup 15 Elements
February 12, 2023
VA group elements are Nitrogen (N) (7), Phosphorus (P) (15), Arsenic (As) (33), Antimony (Sb) (51), Bismuth (Bi) (83). These elements are called as pnicogens. Their compounds are called pnictides.
Read MoreGroup 14 Elements
February 09, 2023
Almost all properties will show a normal trend from C to Si, But, beyond Si, the trend or change slows down due to ineffective screening caused by d and f electrons.
Read MoreGroup 13 Elements
February 06, 2023
Boron, Aluminium, Gallium, Indium and belong to IIIA group of the Periodic table. The general outer electronic configuration of IIIA group elements is ns2np1.
Read MoreAlkaline Earth Metals
February 03, 2023
Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium (Ra) are IIA elements. The oxides of these elements (CaO (Lime), SrO (strontia), BaO (Baryta)) are thermally very stable and basic in nature & hence, they are called alkaline earths.
Read MoreAlkali Metals
January 25, 2023
Li, Na, K, Rb, Cs and Fr belongs to IA group. Oxides of Li, Na, K, Rb and Cs dissolve in water giving strong alkalies. So, these elements are known as alkali metals.
Read MoreHydrogen and Compounds
January 22, 2023
Hydrogen is the most abundant element in the universe. It is the 9th most abundant element in the earth's crust. It occurs only in the combined state except in volcanic gases where it occurs in free state.
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