Choose correct statements. Warning! Choose all correct answers!
1- Equivalent of simple substance is always constant.
2- Equivalent mass of compound can be both larger and smaller than molecular mass of compound.
3- In reaction of formation of normal salt equivalent of acid can be equal to 1.
4- Equivalent of sulfuric acid can be equal 1/8.
5- Equivalent of oxide is always less than 1
3- In reaction of formation of normal salt equivalent of acid can be equal to 1.
5-Equivalent of oxide is always less than 1
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