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Estimation of hardness of water sample by EDTA
Environmental pollution: Soil, water and air pollution
Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr
IONS IN AQUEOUS SOLUTION Ionic models : Ions are charged chemical substance. Positively charged ions are called cations as they travel to the cathode of an electrolytic c
Q. What do you mean by nucleus of the atom? The nucleus of an atom for the reason that atoms have no net electrical charge scientists reasoned that if an atom contains particle
Why phenol can also be prepared from chlorobenzene(Dow''s process)
Q. Electronic Configuration and Position in Periodic Table? The outstanding feature of the actinide and lanthanide elements is the great similarity in chemical and physical pro
Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
What types of detergent remove oils and fats
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
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