Chemistry The first metal used by a man was Brass Bronze Silver Copper Brass Bronze Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 –4 Zero 4 8 –4 Zero 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S H2SO4 SO2 Fungicide H2S H2SO4 SO2 Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 zero 5 4 2 zero 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Cracks during setting Is quick setting Becomes more strong Is slow setting Cracks during setting Is quick setting Becomes more strong Is slow setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Rectified spirit Power alcohol Methylated alcohol Denatured spirit Rectified spirit Power alcohol Methylated alcohol Denatured spirit ANSWER DOWNLOAD EXAMIANS APP
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