Misc: what looked like alka-seltzer but tasted like soda pop?

Questions

Branch of linguistics concerned with the production, physical nature, and perception of speech sounds?

Brazzaville is the capital of ______?

Breakers footrace what does the irish 'dubh linn' mean?

Brewers at what time did the hiroshima bomb detonate?

Brian eno released a us 1978 lp titled "before and after _____"?