An oil separates crude oil into its components by distillation. some components are altered <u>by cracking and Reforming.</u>
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The crude oil contains many petroleum products like petrol , diesel , Mobil oil coaltar and many more with impurities So, now it is very important to separated it into components to use all product individually in pure form.
The separation process are based on fraction distillation because all petroleum products have different density and boiling points. All products are separated at different temperature.
learn about distillation
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Ranking these elements from the least to the greatest ionization energy is Rb, K, Na, Li. Ionization energy is defined as the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated atom to form a cation.
FALSE
explanation: the English system of measurement is mainly only used in England. The metric system is the international system of measurement.
Answer:
4 atoms of oxygen.
Explanation:
The given equation is :
Here Fe and O₂ are reactants and Fe₂O₃ is a product. It is a balanced chemical reaction in which the number of atoms on LHS are equal to number of atoms on RHS.
4 atoms of iron react with 3 atoms of oxygen to form iron oxide. Hence, there are 4 atoms of reactants in this equation.
