Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 12 6 18 Zero 12 6 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains An acidic liquid A salt solution An alkaline liquid A corrosive liquid An acidic liquid A salt solution An alkaline liquid A corrosive liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Denatured spirit Rectified spirit Methylated alcohol Power alcohol Denatured spirit Rectified spirit Methylated alcohol Power alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Coal Carbon black Coke Graphite Coal Carbon black Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Oxygen Fluorine Zinc Lithium Oxygen Fluorine Zinc Lithium ANSWER DOWNLOAD EXAMIANS APP
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