Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following molecules has a bond order of 2.5 CO F2 NO HCL CO F2 NO HCL ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain Corrosion building materials All of these Respiratory and lung disease Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Sulphur Fluorine Nitrogen Chlorine Sulphur Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Herbicide Deodorant Rodenticide Fungicide Herbicide Deodorant Rodenticide Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
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