Chemistry Class 10 Chapter 16 Chemical Industries

Haematite is the ore of? Fe3 O4 is the formula of? Chalcopyrite is the ore of? Which one of the following is an ore of iron? The formula of haematite is? Bauxite is the ore of? Which one of the following is the ore of sodium? Pbs is the formula of? Naphta is used as gas for cooking? How many carbon atoms per molecule are present in diesel? Lubricating oil is used as lubricants for machines and engines? Hazardous to environment is incorrect about synthetic fertilizers?

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