Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : LPG Gasoline Distilled water Air LPG Gasoline Distilled water Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 13 15 18 21 13 15 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Nitrogen Methane All of these Ethane Nitrogen Methane All of these Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium silicate Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate Sodium phosphate Calcium oxide Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 5.05 gram 4.05 gram 2.05 gram 3.05 gram 5.05 gram 4.05 gram 2.05 gram 3.05 gram ANSWER DOWNLOAD EXAMIANS APP