Which of the following statements is TRUE concerning acids and bases?
a. Bases turn blue litmus paper to red and react with some metallic elements to give off hydrogen gas.
b. Bases turn blue litmus paper to red and react with some metallic elements to give off helium gas.
c. Bases turn red litmus paper to blue and react with some metallic elements to give off helium gas.
d. Bases turn red litmus paper to blue and react with some metallic elements to give off hydrogen gas.
a. Bases turn blue litmus paper to red and react with some metallic elements to give off hydrogen gas.
b. Bases turn blue litmus paper to red and react with some metallic elements to give off helium gas.
c. Bases turn red litmus paper to blue and react with some metallic elements to give off helium gas.
d. Bases turn red litmus paper to blue and react with some metallic elements to give off hydrogen gas.
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Answer:
it's d. Bases turn red litmus paper to blue and react with some metallic elements to give off hydrogen gas.
Explanation:
weapons are meant to protect nothing else
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