Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Chlorine Freon Sulphur dioxide Phosphine Chlorine Freon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Cadmium Copper Lead Chromium Cadmium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Ethane Propane Methane Butane Ethane Propane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Renewable Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic Biotic ANSWER DOWNLOAD EXAMIANS APP
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