Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 17 53 36 19 17 53 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons Electrons Protons and electrons Protons and neutrons Protons Electrons Protons and electrons Protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
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