Ques: Q: Antibiotic drugs are usually effective in treating what kind of infections? Choices: - viral - lethal - biological - bacterial A:
Ans: bacterial

Ques: Q: What are chemical reactions represented by? Choices: - liquid equations - nuclear equations - carbon equations - chemical equations A:
Ans: chemical equations

Ques: 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:
Ans: citric acid

Ques: Q: What do we call a device used to store electric charge? Choices: - charger - amplifier - battery - capacitor A:
Ans:
capacitor