Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Reduction Oxidation Dehydration Decomposition Reduction Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant Absorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons Neutrons 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 Phenyl alanine Hydroxy phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Hydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP