Chapter 1: Acids Bases & Salts Chemistry For High School - Grade 10(Chemistry ) Questions and Answers

Question 1. When an acid reacts with metal carbonate, the products are
  1.    salt
  2.    water
  3.    carbon dioxide
  4.    all of above
Explanation:-
Answer: Option D. -> all of above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. Phenolphthalein in acidic solution is
  1.    colorless
  2.    pink colored
  3.    yellow colored
  4.    orange colored
Explanation:-
Answer: Option A. -> colorless
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. Preservatives are used to preserve
  1.    food
  2.    acids
  3.    bases
  4.    water
Explanation:-
Answer: Option A. -> food
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The process in which acids (H+) and bases (OH-) react to form salts and water is called
  1.    neutralization
  2.    hydrogenation
  3.    halogenation
  4.    sublimation
Explanation:-
Answer: Option A. -> neutralization
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. A species which can accept a proton is called
  1.    acid
  2.    base
  3.    neutral compound
  4.    cation
Explanation:-
Answer: Option B. -> base
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. Corrosive effect on the skin is caused by
  1.    acids
  2.    bases
  3.    water
  4.    mercury
Explanation:-
Answer: Option A. -> acids
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. A substance that donates a pair of electrons to form a coordinate covalent bond is called
  1.    Lewis acid
  2.    Lewis base
  3.    Bronsted-Lowry acid
  4.    Bronsted-Lowry base
Explanation:-
Answer: Option B. -> Lewis base
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. If the pH value is greater than 7, then the solution is
  1.    acidic
  2.    basic
  3.    neutral
  4.    salty
Explanation:-
Answer: Option B. -> basic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The pH of water is
  1.    8
  2.    3
  3.    2
  4.    7
Explanation:-
Answer: Option D. -> 7
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. The amount of Hydrochloric Acid (HCl) secreted daily by gastric glands is
  1.    1 lit
  2.    3 lit
  3.    2 lit
  4.    4 lit
Explanation:-
Answer: Option C. -> 2 lit
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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