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Give reasons why? Aluminium cannot be ...

Give reasons why?
Aluminium cannot be obtained by the reduction of its oxide with carbon.

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ICSE-SELF ASSESSMENT PAPER 4-Section -II
  1. Match the following:

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  2. A metal A in the form of turnings reacted with a hot concentrated diba...

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  3. Give reasons why? Aluminium cannot be obtained by the reduction of i...

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  4. Name the property for which aluminium is used in cooking utensils.

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  5. Why do covalent compounds exist as gases, liquids or soft solids?

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  6. Show the bond formation in ammonia and name the bond.

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  7. Consider the section of the periodic table given below: Note: In...

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  8. Consider the section of the periodic table given below. Note: In ...

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  9. Consider the section of the periodic table given below: Note: In...

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  10. Consider the section of the periodic table given below: Note: In...

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  11. Consider the section of the periodic table given below. Note: In ...

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  12. Find the odd one out and explain your choice (note:valency is not a cr...

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  13. Find the odd one out and explain your choice (note:valency is not a cr...

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  14. Find the odd one out in each case and explain your choice   i] C3H8, ...

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  15. Select odd one out from the following list of compounds. Formic a...

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  16. Find the odd one out and explain your choice : CH4 , CO2 , C2 H4 , C...

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  17. Gives reasons as to why : (i) almost 90 % of all known compunds are ...

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  18. Choose the correct word/phrase from within the brackets to complete th...

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  19. Complete the following chemical equations : CH3 OH + Na to

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  20. Complete the following chemical equations : CH3 COO Na + NaOH to

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