Chemistry Total number of naturally occurring elements 110 98 92 62 110 98 92 62 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S Fungicide H2SO4 SO2 H2S Fungicide H2SO4 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Fumigant Pesticide Insecticide Preservative Fumigant Pesticide Insecticide Preservative ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Decreases Increases Remains unchanged Does not follow a definite pattern Decreases Increases Remains unchanged Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrate Sodium nitrite Potassium nitrite Potassium nitrate Sodium nitrate Sodium nitrite Potassium nitrite Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Nitrogen Carbon dioxide Methane Chlorofluorocarbons Nitrogen Carbon dioxide Methane Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
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