Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Napthalene Graphite Diamond Teflon Napthalene Graphite Diamond Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Uranium Rhodium Thorium Iron Uranium Rhodium Thorium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Boron Oxygen Carbon Helium Boron Oxygen Carbon 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? Iron Copper Aluminium Titanium Iron Copper Aluminium Titanium ANSWER DOWNLOAD EXAMIANS APP