Chemistry Rutherford’s scattering experiment proved the presence of Nucleus in atoms Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms Neutrons in atoms Electrons in atoms Atoms in all matter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 115 118 127 112 115 118 127 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Bitumen Anthracite Lignite Peat Bitumen Anthracite Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sewer Sewage Sludge Scum Sewer Sewage Sludge ANSWER DOWNLOAD EXAMIANS APP
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