Chemistry Which one is the most reactive gaseous element Iodine Chlorine Bromine Flourine Iodine Chlorine Bromine Flourine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Nylon Rayon Terricot Cotton Nylon Rayon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Methane Sulphur dioxide Carbon dioxide None of these Methane Sulphur dioxide Carbon dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.201 0.273 0.158 0.323 0.201 0.273 0.158 0.323 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 Total number of naturally occurring elements 110 62 92 98 110 62 92 98 ANSWER DOWNLOAD EXAMIANS APP
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