Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Oxygen Nitrogen Chlorine Hydrogen Oxygen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Withstand higher temperatures Strong and hard Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard Chemical resistant Soft and flexible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Silver nitrate Silver Chloride Ammonium Nitrate Ammonium Chloride Silver nitrate Silver Chloride Ammonium Nitrate Ammonium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS