Properties of Bases

Chemistry ⇒ Acids, Bases, and Salts

Properties of Bases starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Properties of Bases. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 8

Describe the taste of bases.

Describe what happens to red litmus paper when dipped in a basic solution.

Describe what happens when a base is added to water.

Describe what happens when a base reacts with an acid.

Explain the difference between a base and an alkali.

Explain why bases are used in antacids.

A laboratory technician accidentally spills a concentrated base on the floor. What immediate safety steps should be taken, and why?

A student adds a few drops of phenolphthalein to a colorless solution and observes that it turns bright pink. What does this indicate about the solution?

Which of the following bases is commonly used in soap making? (1) Sodium chloride (2) Sodium hydroxide (3) Calcium carbonate (4) Ammonium chloride

Which of the following indicators turns blue in a basic solution? (1) Methyl orange (2) Phenolphthalein (3) Red litmus (4) Universal indicator

Which of the following is a base used in baking? (1) Sodium chloride (2) Sodium bicarbonate (3) Calcium carbonate (4) Ammonium nitrate

Which of the following is a property of a base? (1) Produces H⁺ ions in water (2) Produces OH^- ions in water (3) Turns blue litmus red (4) Tastes sour

Fill in the blank: A base that dissolves in water is called an ______.

Fill in the blank: Bases are substances that can accept ______ ions.

Fill in the blank: Bases have a pH value ______ than 7.

Fill in the blank: Bases react with acids to form ______ and water.

True or False: All bases are safe to touch.

True or False: All bases are soluble in water.

True or False: Ammonia is a base.

True or False: Bases can be corrosive and cause burns.