Chemistry Which among the following is found in chlorophyll ? A l3+ Fe2+ Ca2+ Mg2+ A l3+ Fe2+ Ca2+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 3.2 5.6 8.3 6.3 3.2 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called NOAEL LD50 LC50 ADI NOAEL LD50 LC50 ADI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Carbon–dioxide Iron Brass Air Carbon–dioxide Iron Brass Air ANSWER DOWNLOAD EXAMIANS APP
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