Acids And Bases(General Knowledge > General Science ) Questions and Answers
Question 1. Compounds form when _______________
atoms of one element bond together
atoms of two or more elements bond together
molecules of one element are mixed together
molecules of two or more elements are mixed together
Explanation:-
Answer: Option B. -> atoms of two or more elements bond together
Question 2. Soap is a weak base
they taste sour
they taste sweet
they taste bitter
they taste salty
Explanation:-
Answer: Option C. -> they taste bitter
Question 3. Which of these solutions is an acid?
Dish Soap: pH of 12
Tomato Soup: pH of 4
Baking Soda: pH of 9
Drain Cleaner: pH of 14
Explanation:-
Answer: Option B. -> Tomato Soup: pH of 4
Question 4. Explain what happens when a strong acid and a strong base are poured into the same container
they form separate layers
they mix physically but not chemically
they break apart into separate elements
they react chemically to form a salt
Explanation:-
Answer: Option D. -> they react chemically to form a salt
Question 5. Ammonia has a pH of 12
an acid
a base
an element
a metal
Explanation:-
Answer: Option B. -> a base
Question 6. Which of the following is a basic solution?
household ammonia
HCl dissolved in water
Vinegar
Pure water
Explanation:-
Answer: Option A. -> household ammonia
Question 7. A substance is found to have the following characteristics:Very bitter taste Feels slippery to the touch Produces OH- ions when dissolved in water In what category would the substance be classified?
acid
base
enzyme
fatty acid
Explanation:-
Answer: Option B. -> base
Question 8. What completely ionizes in solution?
Weak acids
Strong acids
Strong Salts
Neutral salts
Explanation:-
Answer: Option B. -> Strong acids
Question 9. Phenolophalein turns from clear to pink when the pH turns
acidic
basic
saline
ionic
Explanation:-
Answer: Option B. -> basic
Question 10. Which of these pH values represent an acid?
