Chemistry Which one is the purest form of carbon Diamond Graphite Coal Iron Diamond Graphite Coal Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Oxidation Fractional distillation Reduction Electrolysis Oxidation Fractional distillation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 330 146 238 92 330 146 238 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Calcium Magnesium None of these Manganese Calcium Magnesium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Lactic acid Carbonic acid Acetic acid Citric acid Lactic acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? H2 SO2 O2 Cl2 H2 SO2 O2 Cl2 ANSWER DOWNLOAD EXAMIANS APP