Chemistry The nucleus of a hydrogen atom consists of 1 proton only 1 proton + 2 neutron 1 neutron only 1 electron only 1 proton only 1 proton + 2 neutron 1 neutron only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Zinc Copper Nichrome Tungsten Zinc Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Methane Carbon dioxide Butane Isobutane Methane Carbon dioxide Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Carbon Boron Helium Oxygen Carbon Boron Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP