Chemistry · Metals and Non-metals
Sodium metal reacts vigorously when it comes into contact with water. After the reaction is complete, which of the following observations will be recorded regarding the temperature and nature of the resulting solution?
- 1The solution becomes hot and turns blue litmus paper red.
- 2The solution turns red litmus paper blue, but its temperature remains unchanged.
- 3The solution becomes cold and turns red litmus paper blue.
- 4The solution becomes hot and turns red litmus paper blue.✓
Correct answer
The solution becomes hot and turns red litmus paper blue.
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