Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Graphite Phosphorus Silicon Sodium Graphite Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Ammonium Nitrate Silver Chloride Silver nitrate Ammonium Chloride Ammonium Nitrate Silver Chloride Silver nitrate Ammonium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 238 92 146 330 238 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O C12O OF2 H2O (2) N2O C12O OF2 H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 8.3 3.2 5.6 6.3 8.3 3.2 5.6 ANSWER DOWNLOAD EXAMIANS APP
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