Question

1. An aqueous solution of Al2O3 is electrolysed. Name the element collected at anode. 2. An oxide of an element was dissolved in water. The final solution turned red litmus blue. Is the element metal, non-metal or a metalloid? 3. What happens when cinnabar is heated?

Answer 1

Answer:

· Name the element collected at anode. 2. An oxide of an ... The final solution turned red litmus blue. Is the element metal, non-metal or a metalloid? 3. What happens ...

Answer 2

Answer:

a) The nature of oxide is basic as it turns red litmus paper blue.

(b) E is metal since it forms basic oxide.

(c) Sodium (Na) is one example of an element like E.

Explanation:

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