Chemistry Ruby and sapphire are oxides of Iron Aluminium Copper Tin Iron Aluminium Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Iodine Bromine Potassium Sodium Iodine Bromine Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Helium Argon Neon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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