Chemistry Browning of paper in old books is caused by Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Sulphur dioxide Arsine Ammonia Nitrous oxide Sulphur dioxide Arsine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Uranium Iron Thorium Rhodium Uranium Iron Thorium Rhodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 5 to 6 per cent 4 to 5 per cent 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent 2 to 3 per cent 3 to 4 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Nitrogen Lithium Fluorine Chlorine Nitrogen Lithium Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Cryolite Bauxite Calcite Haematite Cryolite Bauxite Calcite ANSWER DOWNLOAD EXAMIANS APP
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