Chemistry The most important ore of lead is Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Ruby Pearl Sapphire Emerald Ruby Pearl Sapphire Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Oxalic acid Alcohol Petrol H2O2 Oxalic acid Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Ribose Phosphate Uracil Thymine Ribose Phosphate Uracil Thymine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
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