Petrol is a conductor of electricity, because it conducts rather than insulates.
Answer:
I just did it home slice the first one's Ag+ and Zn2+ and the second one is A
Explanation:
I just did the assignment
According to law of conservation of mass.
In a chemical reaction Mass is neither created nor destroyed.
- Mass of product =Mass of reactant
#1
Mass of water

#2
Mass of sulphur:-

Compounds. They both have more than one element in them