Chemistry Which of the following is a secondary pollutant ? CO NO PAN SO2 CO NO PAN SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene 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 Hydroxy phenyl alanine Phenyl alanine Dihydroxy phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Phenyl alanine Dihydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Pb Ni Ti Fe Pb Ni Ti ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqueous solution of which of the following is a good conductor of electricity Glucose Ammonia Acetic acid Ammonium acetate Glucose Ammonia Acetic acid Ammonium acetate ANSWER DOWNLOAD EXAMIANS APP