Chemistry The minimum energy required for an effective collision is Free energy Internal energy Threshold energy Activation energy Free energy Internal energy Threshold energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Chlorofluorocarbons Carbon dioxide Nitrogen Methane Chlorofluorocarbons Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 3.2 5.6 8.3 6.3 3.2 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Oxidation Carbonation Corrosion Exfoliation Oxidation Carbonation Corrosion Exfoliation ANSWER DOWNLOAD EXAMIANS APP
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