Chemistry Normal rainwater is slightly acidic due to the presence of None of these Sulphur dioxide Methane Carbon dioxide None of these Sulphur dioxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Abiotic Non-renewable Renewable Biotic Abiotic Non-renewable Renewable Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Hydrogen peroxide Nylon Cane-sugar Turpentine Hydrogen peroxide Nylon Cane-sugar Turpentine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Allergens Carcinogens Asthematic agents None of these Allergens Carcinogens Asthematic agents None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP