Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Nitrogen Hydrogen Helium Argon Nitrogen Hydrogen Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and protons protons and neutrons All of these electrons and neutrons electrons and protons protons and neutrons All of these electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. is made using soda(sodium carbonate) was initially used for storing sodium carbonate is made using soda lime was used initially for making bottles of soda(carbonated drink) is made using soda(sodium carbonate) was initially used for storing sodium carbonate is made using soda lime was used initially for making bottles of soda(carbonated drink) ANSWER DOWNLOAD EXAMIANS APP