Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Diamond Napthalene Teflon Graphite Diamond Napthalene Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Carbon Mica Lead Graphite Carbon Mica Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Nickel Copper Lead Aluminium Nickel Copper Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Peat Lignite Bituminous Dolomite Peat Lignite Bituminous Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
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