Chemistry Ruby and sapphire are oxides of Iron Aluminium Copper Tin Iron Aluminium Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 2 4 5 3 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Methyl salicylate Hydroxysalicylate Alkylsalicylic acid Acetylsalicylic acid Methyl salicylate Hydroxysalicylate Alkylsalicylic acid Acetylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 N2O C12O H2O (2) OF2 N2O C12O H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.01 to 0.04 per cent carbon ANSWER DOWNLOAD EXAMIANS APP