Chemistry Bakelite is a co-polymer of Phenol and Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is oxygen ozone methane helium oxygen ozone methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Animal wastes Crop residues Forest residues Aquatic plants Animal wastes Crop residues Forest residues Aquatic plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Iron Sodium Potassium Magnesium Iron Sodium Potassium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Propylene Methane Ethylene Acetylene Propylene Methane Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
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