Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 6 12 Zero 18 6 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Zinc Nickel Silver Copper Zinc Nickel Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 30 KJ 39 KJ 1 KJ 29 KJ 30 KJ 39 KJ 1 KJ 29 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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