Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– HCI and NaCI CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is No maintenance Stagnation of water on road No sloping Heavy traffic No maintenance Stagnation of water on road No sloping Heavy traffic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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