Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 2 18 8 32 2 18 8 32 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two Zero Three One Two Zero Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Phenol Oxalic acid Acetic acid Ethanol Phenol Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
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