Chemistry What is the principal ore of aluminium ? Bauxite Lignite Dolomite Copper Bauxite Lignite Dolomite Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Graphite Sulphur Bauxite Phosphorus Graphite Sulphur Bauxite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bohr Bethe Fermi Anderson Bohr Bethe Fermi Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Citric acid Carbonic acid Acetic acid Lactic acid Citric acid Carbonic acid Acetic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS