Acids Bases and Salts MCQ/Objective Questions Class 10 Science Chapter 2
Which constituent gives a Sour taste to the pickle?
- a. Acids
- b. Bases
- c. Salts
- d. None
Which component gives a bitter taste to bitter gourd?
- a. Acids
- b. Bases
- c. Salts
- d. None
Which litmus paper will you use to check where the substance is acidic or not?
- a. Blue
- b. Red
- c. Both
- d. None
Yellow curry of turmeric also act as an indicator. It changes to reddish brown in the presence of:
- a. Acids
- b. Bases
- c. Salts
- d. All three
What is the color of litmus when the paper is in neutral PH?
- a. Blue
- b. Red
- c. Purple
- d. Orange
Which among these is not an acid base indicator
- a. Cabbage leaves
- b. Turmeric
- c. Papaya
- d. Petunia flower
Red litmus paper in acidic solution will be:
- a. Red
- b. Blue
- c. Purple
- d. Violet
If you have been given three solution: one acidic, one basic and the last one neutral. Can you indentify them with blue litmus paper?
- a. Yes
- b. No
- c. Partially
Which of the following indicator will work at basic PH?
- a. Blue litmus paper
- b. Methyl orange
- c. Phenolphthalein
- d. a and c
Onion can be used as an olfactory indicator. As its smell vanishes in:
- a. Acid
- b. Bases
- c. Both
- d. None
Which among these will produce hydrogen gas with zinc?
- a. HCL
- b. NaOH
- c. H2S
- d. a and b
Reaction between acid and base forms:
- a. Acid
- b. Base
- c. Salt
- d. Hydrogen
What is the nature of metallic oxide?
- a. Basic
- b. Acidic
- c. Neutral
- d. None
Why we should not keep curd, pickle, and sour substance in a metal container?
- a. Metals react with acidic substances.
- b. Metal does not react with acidic substances
- c. Metals have an antibiotic property which kills fermenting bacteria
- d. None
Which among these in distilled water will not conduct electricity?
- a. Acids
- b. Bases
- c. Salts
- d. Ethanol
- a.
- b.
- c.
- d.
Ph of 1M NaCl is:
- a. Acidic
- b. Basic
- c. Neutral
- d. None
Salts formed by the combination of strong base e.g. NAOH and weak acid viz CH3COOH is:
- a. Acidic
- b. Basic
- c. Neutral
- d. None
Which option shows the formula of bleaching powder?
- a. NaHCO3
- b. CaOCl2
- c. Na2CO3.10H2O
- d. Ca(OH)2
See also:
- Our Environment MCQ
- Sources of Energy MCQ
- Heredity and Evolution MCQ
- Chemical reactions and equations MCQ
- Life Processes MCQ
- Life Processes MCQ2
- Control and Coordination MCQ
- How Do Organisms Reproduce MCQ
Acids Bases and Salts MCQ/Objective Questions Class 10 Science Chapter 2
Ref: ch2