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? Titanium Iron Copper Aluminium Titanium Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na Cs K Ca Na Cs K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
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