Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methylene blue Methyl orange Phenolphthaline Methyl red Methylene blue Methyl orange Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Assimilation of nitrate Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Utilisation of nitrogen gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Phosphorus-31 Carbon-14 Radium Tritium Phosphorus-31 Carbon-14 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is functional group isomerism chain isomerism positional isomerism metamerism functional group isomerism chain isomerism positional isomerism metamerism ANSWER DOWNLOAD EXAMIANS APP
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