Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Calcium Magnesium Manganese None of these Calcium Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Phosphorous Bromine Sulphur Carbon Phosphorous Bromine Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Oxygen Calcium Nitrogen Carbon Oxygen Calcium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Methane None of these Sulphur dioxide Carbon dioxide Methane None of these Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Allergens Asthematic agents Carcinogens None of these Allergens Asthematic agents Carcinogens None of these ANSWER DOWNLOAD EXAMIANS APP
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