Question

 Al2O3 + 2NaOH → …… + H2O ?(a) Al(OH)3 (b) Na2O (c) NaAlO2 (d) AlNaO2 ​

Answer 1

Answer:

2NaAlO2 is the correct answer

Answer 2

Answer: (c) NaAlO2

During the reaction of alumina (aluminium oxide) and caustic soda (sodium hydroxide), sodium aluminate is formed as a result with water.

More:

There are many type of salts.

1. Simple salt (acidic, neutral, basic)
2. Double salt.
3. Mixed salt.
4. Complex salt.