It should be charge 2-they lose electrons
Explanation:
Factory wastes are usually acidic and they pose serious environmental challenges.
If an untreated acidic waste is discharged into the river, the acidity of the river increases and this is toxic to life in the water.
On land, the acid can enter into the soil and prevent plant growth.
Acid discharge can enter the groundwater system and render it unfit for use.
Bases and a couple of additives are used to remove acidity from factory wastes before they are discharged.
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Answer:
A. Second
Explanation:
The S.I unit of time is in Seconds.
The S. I unit is known as the metric system is the most commonly used system of reporting scientific measurements in the world today. Other units are the imperial units.
It is the international system of unit used in almost all countries. The seven basic SI units are:
Quantities Units
- Length meters(m)
- Time seconds(s)
- Amount of substance moles(mol)
- Mass kilograms(kg)
- Luminous intensity candela(cd)
- Temperature kelvin(K)
- Electric current ampere(A)
The SI unit of time which measures the duration of an activity or event is therefore given as seconds(s)
Answer:
The net ionic equation:
Explanation:
The given chemical reaction is as follows.
The total ionic equation is as follows.
Similar ions on the both sides of the reaction will be cancelled.
The remaining reaction is
Therefore, the net ionic reaction is as follows.
