Which of the following is the formula of the iron ore haematite?
- A$Fe_{3}O_{4}$
- B$FeCO_{3}$
- C$Fe_{2}O_{3}$
- D$FeS_{2}$
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Which of the following are not ionic compounds?
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$(ii)$ $HCl$
$(iii)$ $CCl_4$
$(iv)$ $NaCl$
$(i)$ $KCl$
$(ii)$ $HCl$
$(iii)$ $CCl_4$
$(iv)$ $NaCl$
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$(ii)$ Give the reaction of aluminium powder with manganese dioxide on heating.
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View SolutionMalachite is an ore of which metal?
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