CHEMISTA

       Our country India is going through a bad phase, ever since the infection of the corona virus has occurred in the country, the middle people have been in bad condition since then which cannot be told.  The poorest laborers are most vulnerable to this. Many people have lost their lives during this lock-down.  While the media came to know about the Tabligi Jamaat, these media persons targeted only the Tabligi Jamaat except the people of all religions and started targeting Hindus and Muslims.The misinformation of the media after imposing the blame for spreading the corona virus in India, this media propaganda has brought one thing to the mind of non-Muslim people like a termite is that coronavirus is heredity among Muslims. Now the situation is such that if a Hindu sees a Muslim, he gets away from him or starts to look at him with hateful eyes as if he would have killed him if there was no law, then after all this,  Adhaar Card is being sought with...

        Dutch scientist, J. van't Hoff and French scientist, C. Le Bel both independently in 1874 pointed out that the four valencies of carbon do not lie in a plane but are directed towards the four corners of   a regular tetrahedron. In other words, carbon is tetrahedral . The angle between any two adjacent valencies is 109.5⁰ which is also called the tetrahedral angle .           Here, the thick line represents the bond above the plane of the paper and towards the observer, the dotted line represents the bond below the plane of the paper and away from the observer while the normal solid lines represent the bonds in the plane of the paper.