Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Lead Nickel Chromium Zinc Lead Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/3 1/8 1/6 1/4 1/3 1/8 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Argon Neon Oxygen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite None of these Haemetite Limnonite Magnetite None of these Haemetite Limnonite ANSWER DOWNLOAD EXAMIANS APP
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