смешали 40 г 20% раствора карбоната натрия с 20 г 50% раствора соляной кислоты.Найдите объем газа

Guess the key-word by the first letters of  the clue-words and write them dow.

1/ a hot season ________________

2/ your mother and father ________________

3/ a part of the day before the night_________________

4/ a part of your face you face you can smell with_______

5/ a pet that doesn~t like cats_________

keyword:___________________