Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.305 0.27 0.18 0.25 0.305 0.27 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 5 electron 3 electron 10 electron 8 electron 5 electron 3 electron 10 electron 8 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
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