What is the chemical formula of corundum?
- A$Al_2O_3 \cdot H_2O$
- B$SiC$
- C$Al_2O_3 \cdot 2H_2O$
- D$Al_2O_3$
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Similar Questions
Aluminum is primarily obtained from bauxite because...
Easy
View SolutionMatch List-$I$ and List-$II$ :
List-$I$ List-$II$ $(a).$ Haematite $(i).$ $Al_{2}O_{3} \cdot xH_{2}O$ $(b).$ Bauxite $(ii).$ $Fe_{2}O_{3}$ $(c).$ Magnetite $(iii).$ $CuCO_{3} \cdot Cu(OH)_{2}$ $(d).$ Malachite $(iv).$ $Fe_{3}O_{4}$
Choose the correct answer from the options given below :
| List-$I$ | List-$II$ |
|---|---|
| $(a).$ Haematite | $(i).$ $Al_{2}O_{3} \cdot xH_{2}O$ |
| $(b).$ Bauxite | $(ii).$ $Fe_{2}O_{3}$ |
| $(c).$ Magnetite | $(iii).$ $CuCO_{3} \cdot Cu(OH)_{2}$ |
| $(d).$ Malachite | $(iv).$ $Fe_{3}O_{4}$ |
Choose the correct answer from the options given below :
Which of the following elements is found in native state?
Easy
View SolutionWhich of the following minerals does not contain aluminium?
Easy
View SolutionWhich of the following statements is incorrect?
Easy
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