Q: Carboxylic acids have an acidic hydrogen atom, but esters do not. what do esters have in place of an acidic hydrogen atom? Choices: - synthesis group - carbonation group - crystallization group - hydrocarbon group A:
hydrocarbon group

Q: Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument? Choices: - velocity - distance - direction - pitch A:
pitch

Q: Q: What type of eukaryotes are protists normally? Choices: - multicellular - photosynthetic - immature - unicellular A:
A: unicellular

Question: Q: What is produced when sulfur and oxygen combine? Choices: - Acidic oxides - hydrogen oxide - Basic Oxides - sulfur oxide A:
Answer: sulfur oxide

*Question*
Q: What do you call the high and low points of transverse waves? Choices: - echos and troughs - waves and troughs - bands and troughs - crests and troughs A:
**Answer**
crests and troughs

*Question*
Q: Glass, rubber, and plastics are examples of which type of solids? Choices: - dubious - aqueous - porous - amorphous A:
**Answer**
amorphous