Haber process

Chemistry Class 10 Chapter 9 Important MCQs Federal Board

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Chemistry Class 10 Chapter 9 Important MCQs Federal Board Class 10th Chemistry Notes Chemical Equilibrium mcqs Multiple Choice Questions: ————————————– 2. The irreversible reaction is shown by ————————————– 3. The reaction in which the reactants are completely consumed and formed products and no amount of reactants left behind are called. ————————————- 4. The reaction in …

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Iron -Important Transition Element-Chemistry

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Iron: It is an important and useful metal. It was known to ancient Egyptians since 4000 BC. But its extraction started since 2000 BC. In India its extraction started since 600 BC. It belongs to group VIII-B of periodic table. Occurrence: After Aluminum it is most abundant metal on the earth crust. It is fourth …

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