Chemistry When iron rusts, its weight Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Carbon dioxide Nitrogen dioxide Methyl isocyanate Sulphur dioxide Carbon dioxide Nitrogen dioxide Methyl isocyanate Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 8 –4 4 Zero 8 –4 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is chlorophyll caffeine aspirin nicotine chlorophyll caffeine aspirin nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Copper Lead Tin Zinc Copper Lead Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
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