Biology - Molecular Organization
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This is MCQs of Biology
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Question 1 of 7
which of the following holds atoms together in a molecule?Correct
Question 2 of 7
Potassium chloride consists potassium ions (K+) and chloride ions (CI) in a crystal. If potassium chloride is placed in water, what do you think happens?Correct
Question 3 of 7
Molecules are always moving. Some molecules move faster than others, _________ is a measure of their average velocity of movement:Correct
Question 4 of 7
Atoms combine in chemical reactions to form:Correct
Question 5 of 7
A substance that _______ is considered to be a chemical compound:Correct
Question 6 of 7
Which of the following is not a chemical reaction?Correct
Question 7 of 7
A Pepsi soft drink consists mostly of sugar dissolved in water, with some carbon dioxide gas makes it fuzzy and makes the pH less than 7. In chemical terms you could say that Pepsi is an aqueous solution, where water is the _________,sugar is a ________ and carbon dioxide makes the solution _______.Correct