Chemistry Formic acid is produced by Cockroaches White ants Mosquitoes Red ants Cockroaches White ants Mosquitoes Red ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Copper Tin Zinc Lead Copper Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 17 36 19 53 17 36 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Chlorofluorocarbons Methane Nitrogen Carbon dioxide Chlorofluorocarbons Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Peat Bituminous Lignite Dolomite Peat Bituminous Lignite Dolomite ANSWER DOWNLOAD EXAMIANS APP
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