Answer:
C. Burning oil
Explanation:
Water cannot be used as a fire extinguisher to extinguish the flames of burning oils such as gasoline, petrol, or diesel. Because oil is lighter than water, it floats on top of it and cremates. Furthermore, as the water spreads and carries the oil with it, the fire spreads over a larger area.
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Answer : The expression for reaction quotient will be :
![Q_c=\frac{[Zn^{2+}]}{[Ag^{+}]^2}](https://tex.z-dn.net/?f=Q_c%3D%5Cfrac%7B%5BZn%5E%7B2%2B%7D%5D%7D%7B%5BAg%5E%7B%2B%7D%5D%5E2%7D)
Explanation :
Reaction quotient (Qc) : It is defined as the measurement of the relative amounts of products and reactants present during a reaction at a particular time.
The given redox reaction is :

In this expression, only gaseous or aqueous states are includes and pure liquid or solid states are omitted.
The expression for reaction quotient will be :
![Q_c=\frac{[Zn^{2+}]}{[Ag^{+}]^2}](https://tex.z-dn.net/?f=Q_c%3D%5Cfrac%7B%5BZn%5E%7B2%2B%7D%5D%7D%7B%5BAg%5E%7B%2B%7D%5D%5E2%7D)
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Answer:
the ion will have additional 2 electrons so it will be 18