Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which one of the following is an organic acid?
Hydrochloric acid
Nitric acid
Acetic acid
Sulphuric acid
Dinitrogen (N2) and dioxygen (O2) are the main constituents of air but they do not react with each other to form oxides of nitrogen because of _____________.
the reaction requires initiation by a catalyst
oxides of nitrogen are unstable
the reaction is endothermic and requires very high temperature
the stoichiometry of N2 and O2 in air is not ideal for the reaction to take place
Who among the following has explained the phenomenon of photoelectric effect?
Max Planck
Albert Einstein
Neils Bohr
Ernest Rutherford
Which one of the following is NOT a west flowing river?
Periyar
Bharatpuzha
Pamba
Tamraparni
Which one of the following rivers was earlier known as “Vitasta”?
Tista
Jhelum
Tungabhadra
Brahmaputra
