Chemistry Ruby and sapphire are oxides of Aluminium Tin Copper Iron Aluminium Tin Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Neon Argon Helium Xenon Neon Argon Helium Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Nitrogen Methane Ethane All of these Nitrogen Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Fats Kerosene oil Glycerine Alcohol Fats Kerosene oil Glycerine Alcohol ANSWER DOWNLOAD EXAMIANS APP
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