Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Zinc Lead Iron Copper Zinc Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water River water Sea water Rain water Lake water River water Sea water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Potassium Fluorine Lead Aluminium Potassium Fluorine Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide Sodium Peroxide Sodium Carbonate Sodium Hydroxide Sodium Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaOH Tollen's reagent NaHCO3 SOCl2 NaOH Tollen's reagent NaHCO3 SOCl2 ANSWER DOWNLOAD EXAMIANS APP
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