Chemistry 20 MCQs Chapter 2: acids, bases, and salts , along with their answers:

 

Chapter 2: 

                                                    acids, bases, and salts

1.Which of coming up next is areas of strength for a?

   - a) Acidic corrosive

   - b) Citrus extract

   - c) Hydrochloric corrosive

   - d) Carbonic corrosive

     Ans c) Hydrochloric acid

2. Which of coming up next is a property of a base?

   - a) Harsh taste

   - b) Becomes red litmus paper blue

   - c) Responds with metals to deliver hydrogen gas

   - d) Behaviors power in arrangement

   Ans -b) Becomes red litmus paper blue

3.What is the pH of an impartial arrangement at 25°C?

   - a) 0

   - b) 7

   - c) 14

   - d) 1

   Ans- : b) 7

4.Which of coming up next is an illustration of a salt?

   - a) NaOH

   - b) HCl

   - c) NaCl

   - d) NH3

   Ans- c) NaCl

5.Which of the accompanying arrangements has the most noteworthy centralization of hydrogen ions?

   - a) pH 3

   - b) pH 7

   - c) pH 10

   - d) pH 14

   Ans- a) pH 3

6.What sort of response happens when a corrosive responds with a base?

   - a) Decay

   - b) Combination

   - c) Balance

   - d) Ignition

   Ans- c) Neutralization

7.Which of the accompanying acids is found in the stomach?

   - a) Sulfuric corrosive

   - b) Nitric corrosive

   - c) Hydrochloric corrosive

   - d) Phosphoric corrosive

   Ans- c) Hydrochloric acid

8.Which of the accompanying substances can go about as both a corrosive and a base?

   - a) HCl

   - b) NaOH

   - c) H2O

   - d) CH3COOH

   Ans- c) H2O

9.What is the name of the cycle where water atoms split into hydrogen particles and hydroxide ions?

   - a) Ionization

   - b) Electrolysis

   - c) Separation

   - d) Hydrolysis

   Ans-c) Dissociation

10.Which of the accompanying markers becomes pink in essential solutions?

    - a) Methyl orange

    - b) Litmus

    - c) Phenolphthalein

    - d) Bromothymol blue

    Ans-c) Phenolphthalein

11.Which of the accompanying bases is utilized in cleanser making?

    - a) HCl

    - b) NaOH

    - c) NH3

    - d) CH3COOH

    Ans- b) NaOH

12.Which of the accompanying salts is framed by the response of sulfuric corrosive with sodium hydroxide?

    - a) NaCl

    - b) Na2SO4

    - c) NaNO3

    - d) Na2CO3

    Ans-b) Na2SO4

13.Which of coming up next is an amphoteric substance?

    - a) NaOH

    - b) HCl

    - c) Al(OH)3

    - d) K2SO4

    Ans-c) Al(OH)3

14.What is the form base of H2SO4?

    - a) HSO4-

    - b) SO4^2-

    - c) H3O+

    - d) H2O

    Ans-a) HSO4-

15.What is the impact of a base on phenolphthalein?

    - a) Becomes pink

    - b) Becomes red

    - c) Becomes yellow

    - d) No change

    Ans-a) Becomes pink

16.Which of the accompanying particles is normal to all acids?

    - a) Goodness

    - b) H+

    - c) Na+

    - d) Cl-

    Ans-b) H+

17.Which of the accompanying substances is probably going to be basic?

    - a) Lemon juice

    - b) Vinegar

    - c) Cleanser arrangement

    - d) Sulfuric acid

    Ans-c) Cleanser solution

18.Which of coming up next isn't a property of acids?

    - a) Sharp taste

    - b) Respond with bases to frame water and salt

    - c) Become blue litmus paper red

    - d) Feel tricky

    Ans-d) Feel slippery

19.What is the pH scope of an acidic solution?

    - a) 0 to 7

    - b) 7 to 14

    - c) 7

    - d) 1 to 10

    Ans-a) 0 to 7

20.Which of coming up next is a powerless acid?

    - a) Sulfuric corrosive

    - b) Nitric corrosive

    - c) Acidic corrosive

    - d) Hydrochloric corrosive

    Ans -c) Acidic acid