The answer to your question is letter D. Secured.
It is A. Barium
Explanation: I did that already
Condensation is a chemical reaction in which two molecules are combined together and as a product formed a large molecule. There is also loss of small molecules in the condensation reaction. And mostly the functional groups combined in the reaction.
The other name for a condensation reaction is dehydration. As there is loss of molecule in condensation reaction, when that molecule is water it is said to be dehydration.
Answer:
Dry ice undergoes sublimation, an endothermic change at room temperature.
