Properties of Bases
Chemistry ⇒ Acids, Bases, and Salts
Properties of Bases starts at 7 and continues till grade 12.
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See sample questions for grade 11
A solution has a pH of 12. Is it acidic, basic, or neutral?
A solution of calcium hydroxide is tested with phenolphthalein. What color change is observed?
A student adds a base to a solution containing universal indicator. What color is likely to be observed?
A student adds a few drops of sodium hydroxide solution to a red litmus paper. What color will the paper turn?
A solution of calcium hydroxide is tested with phenolphthalein. What color change is observed?
A student adds a base to a solution containing universal indicator. What color is likely to be observed?
A student adds a few drops of sodium hydroxide solution to a red litmus paper. What color will the paper turn?
A solution of a base is found to have a concentration of 0.01 mol/L. Calculate the pOH of the solution and state whether the base is strong or weak if it is sodium hydroxide.
Which ion is characteristic of all bases in aqueous solution?
(1) H+
(2) OH-
(3) Cl-
(4) Na+
Which of the following bases is commonly used in soap making?
(1) Sodium hydroxide
(2) Ammonium hydroxide
(3) Calcium hydroxide
(4) Magnesium hydroxide
Which of the following bases is used as an antacid?
(1) Sodium hydroxide
(2) Magnesium hydroxide
(3) Calcium hydroxide
(4) Ammonium hydroxide
Which of the following is a general property of bases?
(1) They turn red litmus blue
(2) They turn blue litmus red
(3) They have a sour taste
(4) They react with metals to produce hydrogen gas
Bases have a ________ taste.
Fill in the blank: A base that dissolves in water is called an ________.
Fill in the blank: Bases react with oils and fats to form ________.
Fill in the blank: The chemical formula for potassium hydroxide is ________.
True or False: All bases are soluble in water.
True or False: All bases are strong electrolytes.
True or False: Bases can be corrosive to skin and eyes.
True or False: Bases can be found in household cleaning products.
