Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of Fungicide H2S H2SO4 SO2 Fungicide H2S H2SO4 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? White phosphorus Violet phosphorus Red phosphorus Black phosphorus White phosphorus Violet phosphorus Red phosphorus Black phosphorus ANSWER DOWNLOAD EXAMIANS APP
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