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Methods of Preparation of Acetylene

Preparation methods 1. From calcium carbide: Ethyne is prepared by calcium carbide with water. CaC₂ + 2H₂O → Ca (OH)₂ + C₂H₂ 2. From vicinal dihalides: Vicinal dihalides on treatment with alcoholic potassium hydroxide undergo, dehydrohalogenation one molecule of hydrogen is eliminated to form alkenyl halide which on treatment with sodalime gives alkyne. Some Other General Methods Read more about Methods of Preparation of Acetylene[…]

NEET Kerala

NEET: NO SEPARATE ENTRANCE FOR MEDICAL COURSE EXCEPT ENGINEERING IN KERALA

The Kerala Government on December 20,2016 decided not to conduct separate entrance examinations by the state for medical and other professional courses except engineering from next academic year. The students would instead be admitted to medical, agricultural, AYUSH, veterinary sciences from the rank list published by National Eligibility cum Entrance Test (NEET), conducted by CBSE. Read more about NEET: NO SEPARATE ENTRANCE FOR MEDICAL COURSE EXCEPT ENGINEERING IN KERALA[…]

Precision

Precision, Accuracy & Errors in Measurement

Precision: All measurements, even when carried out with the utmost precision and care, involve errors. These errors may be associated with technical difficulties (the imperfection of the measuring instruments, the limited possibilities of the human eye, which in many cases takes readings of instruments etc.) and with numerous factors that are difficult or impossible to Read more about Precision, Accuracy & Errors in Measurement[…]