Chemistry Burning pyrites ore gives out Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is Ar Ar O2 CH4 N2 N2 Ar Ar O2 CH4 N2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Metallic hydrides Polynuclear hydrides Ionic hydrides Molecular hydrides Metallic hydrides Polynuclear hydrides Ionic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Cations Higgs-boson Anions Isotopes Cations Higgs-boson Anions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Mica Carbon Lead Graphite Mica Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
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