Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten zinc Molten tin Gaseous zinc Solid zinc Molten zinc Molten tin Gaseous zinc Solid zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Biotic Renewable Abiotic Non-renewable Biotic Renewable Abiotic Non-renewable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold iron bronze copper gold iron bronze copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Lead Copper Iron Zinc Lead Copper Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Sulphuric acid Nitric acid Hydrochloric acid Acetic acid Sulphuric acid Nitric acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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