Chemistry Normal rainwater has a pH level of 8.3 5.6 6.3 3.2 8.3 5.6 6.3 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 2 3 5 4 2 3 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Silicosis Pneumoconiosis Cancer Asthma Silicosis Pneumoconiosis Cancer Asthma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? None of these Nitrogen Chlorine Helium None of these Nitrogen Chlorine Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Nitrogen Ethane Methane All of these Nitrogen Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
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