Chemistry Which of the following is a commercial source of energy? Sun Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Arsine Nitrous oxide Sulphur dioxide Ammonia Arsine Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Cellulose Protein Fat Carbohydrate Cellulose Protein Fat Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Sodium nitrate Calcium chloride Ammonium chloride Sodium chloride Sodium nitrate Calcium chloride Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
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