Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Protons Electrons Neutrons and protons Neutrons Protons Electrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Copper Nichrome Tungsten Zinc Copper Nichrome Tungsten Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Iron Titanium Copper Aluminium Iron Titanium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Hydrogen Methane Ethanol Butane Hydrogen Methane Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 2 zero 4 5 2 zero 4 ANSWER DOWNLOAD EXAMIANS APP