Ques: Q: At any specific time, the rate at which a reaction is proceeding is known as its what? Choices: - spontaneous rate - immediate rate - emitted rate - instantaneous rate A:
Ans: instantaneous rate

Ques: Q: What do you call pure substances with unique properties? Choices: - structures - arrangements - originals - elements A:
Ans: elements

Ques: Q: Both flukes and tapeworms are parasites with what kind of host? Choices: - insect - trees - cells - vertebrate A:
Ans: vertebrate

Ques: Q: Group 13 of the periodic table is also called what? Choices: - nitrogen group - iron group - manganese group - the boron group A:
Ans:
the boron group