Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 17 36 19 53 17 36 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Silver Gold Copper Iron Silver Gold Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Topaz Pearl Opal Cat's-eye Topaz Pearl Opal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is Foam Suspension Emulsion Gel Foam Suspension Emulsion Gel ANSWER DOWNLOAD EXAMIANS APP
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