Match the column :
“A”. “B”
1. Mendeleev’s. a. Extraction
2. Corrcession b. Refinning
3. Reactant. c. Periodic table
4. Mineral. d. Product
5. Impure e. Metal Iron
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Answer:
1. MENDELEEV'S - PERIODIC TABLE
2. CORRCESSION - METAL IRON
3. REACTANT - PRODUCT
4. MINERAL - EXTRACTION
5. IMPURE - REFINNING
Explanation:
1.Mendeleev's periodic law states that the physical and chemical properties of elements are a periodic function of their atomic weights.
2. Corrission of Iron is called Rusting
3. The substances that go into a chemical reaction are called the reactants, and substances produced at the end of the reaction are known as the products.
4. Mineral extraction is the procedure of excavation and recuperation of mineralization and associated waste rock from the crust of the Earth to derive a profit.
5. Refining consists of purifying an impure metal.
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