Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from None 0 – 14 0 – 7 8 – 14 None 0 – 14 0 – 7 8 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called None of these Green house effect Smog Eutrophication None of these Green house effect Smog Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Sommerfeld Thomson Hund Rutherford Sommerfeld Thomson Hund ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 8 electron 5 electron 10 electron 3 electron 8 electron 5 electron 10 electron 3 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 818O 92235U 614C 13H 818O 92235U 614C 13H ANSWER DOWNLOAD EXAMIANS APP
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