Chemistry for jee

Chemistry for jee

Nearby schools & colleges

KOLKATA 700109

Join today and get to the point concept on any topic of chemistry . Theory By- Deepak kumar Gupta why you afraid from chemistry. and get you answer very quickly.

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you only needed to post any question according to 11th &12th syllabus .

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Did you know?

Hot water freezes faster than cold water.


Did you know?

*Lightning strikes produce Ozone, hence the characteristic smell after lightning storms.*

Ozone, the triple oxygen molecule that acts as a protective stratospheric blanket against ultraviolet rays, is created in nature by lightning. When it strikes, the lightning cracks oxygen molecules in the atmosphere into radicals, which reform into ozone. The smell of ozone is very sharp, often described as similar to that of chlorine. This is why you get that “clean” smell sensation after a thunderstorm.

Timeline photos 14/09/2019

Remember these formulas

Timeline photos 06/09/2019

Real data based on 1st ionisation energy required by an atom.


Did you know how boiling point of water different at the different altitude?

Timeline photos 07/11/2018

Wish u a very very happy diwali


:: Important points::

#1. Bleeching powder

Calcium hypochlorite is an inorganic compound with formula Ca(ClO)2. It is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agents.

#2. Caustic soda
Sodium hydroxide, also known as lye and caustic soda,[1][2] is an inorganic compound with the formula NaOH
Sodium hydroxide is a highly caustic base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns.

3. Baking soda

Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda, is a chemical compound with the formula NaHCO3.

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Photos from Chemistry for jee's post 29/06/2018

Did You Know?

1. Plastic Surgery::

The field of plastic surgery is not named for use of plastic materials, but rather the meaning of the word plasticity, with regard to the reshaping of flesh.

2. Elements in human body::
Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are thought on the basis of good evidence to be necessary for life

Carbon is the second most abundant element in the human body by mass (about 18.5%) after oxygen(65%)

Note:- The relative amounts of each element vary by individual, mainly due to differences in the proportion of fat, muscle and bone in their body. Persons with more fat will have a higher proportion of carbon and a lower proportion of most other elements (the proportion of hydrogen will be about the same). The numbers in the table are averages of different numbers reported by different references.

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