Chemistry Which one of the following is not a cause for present global warming and climate change ? Deforstation Methane emission Carbondioxide emission CFC emission Deforstation Methane emission Carbondioxide emission CFC emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid Water Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Bauxite Calamine Haematite Chalcopyrites Bauxite Calamine Haematite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Ribose Uracil Phosphate Thymine Ribose Uracil Phosphate Thymine ANSWER DOWNLOAD EXAMIANS APP
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