Answer:
*result with sodium hydroxide: white ppt of Zn(OH)2
*excess sodium hydroxide: Precipitate dissolves to form a COLOURLESS solution
*Result with Aqueous ammonia: White ppt of Zn(OH)2
*excess aqueous ammonia: Precipitate dissolves to form a COLOURLESS solution
A
Explanation:
I might be wrong but I think it's a
I think C ,correct me if I'm wrong
If you touch the knob of a positively charged electroscope with another positively charged object,the leaves of the electroscope would remain apart.
The answer is D.8 sulfer atoms and 16 oxygen atoms