Chemistry Diamond is lustrous because It is colourless Its refractive index is high It is hard It is pure It is colourless Its refractive index is high It is hard It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Tin Carbon Chromium Aluminium Tin Carbon Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 SO2 Photochemical smog Dust particles NO2 SO2 Photochemical smog Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
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