Questions

The sodium fusion test, or Lassaigne's test, is used in elemental analysis for the qualitative determination of the presence of foreign elements, namely halogens, nitrogen, and sulphur, in an organic compound. It was developed by J. L. Lassaigne.Silver fluoride is soluble in water and does not precipitate and thus this method cannot be used for detection of fluorine.

The Reserve Bank of India has appointed Smt. Malvika Sinha as Executive Director (ED).

As Executive Director Smt. Sinha will look after Foreign Exchange Department, Department of Government and Bank Accounts and Internal Debt Management Department.

Smt. Malvika Sinha holds a Masters Degree from University of Bombay and has done her Masters in Public Administration. She is also a Certificated Associate of Indian Institute of Bankers.

Smt. Sinha joined Reserve Bank in 1982 and as a career central banker served in the areas of regulation and supervision, foreign exchange and Government and Bank Accounts in the Bank. Prior to being promoted as ED, Smt. Sinha was Principal Chief General Manager, Department of Co-operative Banking Supervision in the Reserve Bank.

Nuclear Force

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 10⁸ m/s. 

Right ventricle (which pumps blood to the lungs), pulmonary artery (which carries blood to the lungs), and left atrium (which receives blood from the lungs) are involved directly in pulmonary circulation.

Air is said to be saturated when it contains the maximum content of water vapour.