Chemistry Ruby and sapphire are oxides of Tin Aluminium Copper Iron Tin Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Helium Hydrogen Lithium Sodium Helium Hydrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Pearl Topaz Opal Cat's-eye Pearl Topaz Opal Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
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