Chemistry The gas that usually causes explosions in coal mines is Hydrogen Air Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Geothermal powder Uranium Coal Natural gas Geothermal powder Uranium Coal Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Sodium Potassium Lithium Cadmium Sodium Potassium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Aluminium and Magnesium Magnesium and Tin Aluminium and Zinc Manganese and Magnesium Aluminium and Magnesium Magnesium and Tin Aluminium and Zinc Manganese and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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