Bank PO Questions

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Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.

Examples of compounds with covalent bonds ::

HCl, CO2, O2,... 

India ropes in space technology to track border management.

John Shepherd-Barron was the inventor of ATM (automated teller machine), which was opened on 27th June, 1967 by Barclays bank.

Glucose is essential for energy in all the living organisms. When we have more glucose than needs in our bloodstream, then the excess glucose is stored as large compounds as Glycogen. This glycogen fills the cells of the liver and available for any quick shots of energy.

Hence, Liver is called as warehouse for the excess glucose.

The compound methane is a simple hydrocarbon contains one carbon bonded to four hydrogens. Ethane is a simple hydrocarbon which contains two carbon atoms and four hydrogen atoms. Similarly, propane with three carbons.

Physical signs of stress include Frequent colds and infections, aches, pains and tense muscles, stomach upset, loss of sexual desire, etc...