Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 17 19 36 53 17 19 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Formic acid Acetic acid Propionic acid Butyric acid Formic acid Acetic acid Propionic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Nitrogen Neon Hydrogen Sodium Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Iron Lead Gold Calcium Iron Lead Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Argon Helium Xenon Neon Argon Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Sulphuric acid Lactic acid Nitric acid Hydrochloric acid Sulphuric acid Lactic acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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