alkaline
Alkaline means basic. This topic is part of Chemistry within Science & Nature. This page currently draws on 10 supporting questions, with answers and bonus facts available below.
alkaline trivia questions
An alkaline solution has a pH generally what relative to 7?
Answer: Above 7
Bonus fact: Alkaline means basic.
How does red litmus paper respond when dipped into a basic solution?
Answer: It turns blue
Bonus fact: Bases change red litmus to blue.
Which ion is associated with basic aqueous solutions?
Answer: Hydroxide ion
Bonus fact: Higher hydroxide concentration is characteristic of basic solutions.
Which metal is commonly used in the negative electrode of ordinary alkaline batteries?
Answer: Zinc
Bonus fact: Typical alkaline batteries use zinc at the anode and manganese dioxide at the cathode.
What happens to red litmus paper in an alkaline solution?
Answer: It turns blue
Bonus fact: Bases turn red litmus blue.
Which pH values are generally alkaline?
Answer: Above 7
Bonus fact: A pH above neutral indicates basic conditions.
Alkaline earth metals are found in which periodic-table group?
Answer: Group 2
Bonus fact: Magnesium and calcium are common examples.
How many valence electrons do alkaline earth metals usually have?
Answer: Two
Bonus fact: They commonly form 2+ ions.
Which alkaline earth metal is a major component of bones and teeth?
Answer: Calcium
Bonus fact: Calcium compounds help provide skeletal strength.
Beryllium belongs to which periodic-table group?
Answer: Alkaline earth metals
Bonus fact: Beryllium is a Group 2 element.