Chemistry Philosopher’s wool is chemically Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide Zinc oxide Aluminium oxide Calcium oxide Magnesium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Helium Chlorine Nitrogen Hydrogen Helium Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Alfred Nobel Faraday Volta Bohr and Rutherford Alfred Nobel Faraday Volta Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Industrial process Fuel combustion Solid waste disposal Transportation Industrial process Fuel combustion Solid waste disposal Transportation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Silver Copper Sodium Gold Silver Copper Sodium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites Nitramines Ammonia ANSWER DOWNLOAD EXAMIANS APP
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