Chemistry Formic acid is produced by Red ants Cockroaches White ants Mosquitoes Red ants Cockroaches White ants Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead NO2 Hg SO2 Lead NO2 Hg SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Gaseous formaldehyde Ethylene glycol Formaldehyde in methanol Formaldehyde in water Gaseous formaldehyde Ethylene glycol Formaldehyde in methanol Formaldehyde in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Tin Iron Copper Aluminium Tin Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and antimony Copper and tin Lead and tin Copper and zinc Lead and antimony Copper and tin Lead and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
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