Chemistry Mcqs

Chemistry is given from ……language ?

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Chemistry is given from ……language ?A. Latin
B. Greek
C. Arabic
D. None of these

Chemistry, from the Greek word χημεία (khēmeia) meaning “cast together” or “pour together”, is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as molecules, crystals, and metals.

 

Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________?

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Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________?

A. Hydrogen tank
B. Nitrogen tank
C. Oxygen tank
D. None of these

Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use oxygen tanks in developed countries