Q: What large carboxylic acid with three ionizable hydrogen atoms gives some fruits a sour or tart flavor? Choices: - ammonia acid - beryllium acid - hydrochloric acid - citric acid A:
citric acid

(Question)
Q: Cardiac veins parallel the small cardiac arteries and generally drain into what sinus? Choices: - Veins - lungs - heart - coronary A:
(Answer)
coronary

Ques: Q: What are compounds formed by ionic bonds called? Choices: - nuclear compounds - layered compounds - mixed compounds - ionic compounds (salts) A:
Ans: ionic compounds (salts)

(Q).
Q: What is the amount actually produced in a reaction called? Choices: - individual yield - maximum yield - minimum yield - actual yield A:
(A).
actual yield

Ques:Q: Unlike theories, which are proved true, what are often falsified? Choices: - conclusions - samples - controls - hypotheses A:

Ans:hypotheses

Ques: Q: What term means controlling body temperature within a narrow range from the inside through biochemical or physical means? Choices: - exothermy - regulation - evaporation - endothermy A:
Ans:
endothermy