Some signs are they talk to you a lot and notice more details.
Answer : BaS
will be the precipitate which will be formed.
Explanation : When all the three solutions namely; 
are mixed together a white precipitate of BaS
is formed as a product in the solution along with the soluble by product of Ammonium nitrate which is 
Answer:
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Explanation:
there is a system like evaporation the water water evaporates to give condensation is were all the water forms into a cloud and when it gets a lot of water you get persipition is when it rains
They have 6 electron in their outer orbital. That means they want 2 electrons to be stable. Since metals have the tendency to give electron oxygen receives 2 electrons. The answer is -2
