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Daily GA MCQs

Chemistry Quiz

Post:20.11.2019 03.11

1. In a car battery, electrolyte substance used is-
(a) Hydrochloric acid

(b) Sulphuric acid

(c) Nitric acid

(d) Distilled water

 

2. The energy, found in dry cell is-
(a) Mechanic
(b) Electric
(c) Chemical
(d) Electromagnetic

 

3. A pungent smell often present near the urinals is due to-
(a) Sulphur-di-oxide

(b) Chlorine

(c) Ammonia

(d) Urea

 

4. Which chemical substance is used for making rat poison?
(a) Ethyl Alcohol
(b) Methyl Isocyanate
(c) Potassium Cyanide
(d) Ethyl Isocyanide

 

5. Which gas is used in fire extinguisher?
(a) Carbon dioxide

(b) Hydrogen

(c) Oxygen

(d) Sulphur dioxide.

 

6. Which one of the following is used in the manufacture of soaps?
(a) Vegetable oil

(b) Mobil oil

(c) Kerosene oil
(d) Cutting oil

 

7. Milk openly placed for sometime becomes sour due to-
(a) Carbonic acid
(b) Lactic acid

(c) Citric acid

(d) Acetic acid

 

8. Which one of the following substances is used in the preservation of food stuff?
(a) Citric Acid
(b) Potassium Chloride

(c) Sodium Benzoate

(d) Sodium Chloride

 

9. Which one of the following gases, released from biogas plant is used as a fuel gas?
(a) Butane
(b) Propane
(c) Methane
(d) Ethane

 

10. Which of the following is a fossil fuel?
(a) Alcohol

(b) Ether
(c) Water gas

(d) Natural gas

 

11.Blue litmus paper is converted into red in solution of–
(a) Acid
(b) Base  
(c) Alkali
(d) Salt

 

12. Red litmus paper is changed into blue in solution of–
(a) Base

(b) Acid
(c) Salt
(d) None

 

13. In neutralisation reaction product is
(a) Acid
(b) Base
(c) Salt & Water
(d) None

 

14. Breath analysers used by police to test drunken drivers works on the chemical basis of
(a) Redox reactions

(b) Acid-base reactions

(c) Precipitation reactions
(d) complexation reaction

 

15. The negative logarithmic value of hydrogen ion is called
(a) pH
(b) pOH
(c) pKa
(d) pKb 

 

16. PH value of human blood is
(a) 8.25- 8.35
(b) 7.35-7.45
(c) 4.0-4.5
(d) 6.45-6.55


17. The acid used in eye wash is
(a) Oxalic acid

(b) Nitric acid
(c) Boric acid
(d) None

 

18. The element common to all acids is
(a) Hydrogen
(b) Nitrogen

(c) Sulphur

(d) Oxygen


19. Malic acid is found in the
(a) Apples

(b) Vinegar

 (c) Milk

(d) Lemons

 

20. Sulphuric acid is
(a) Monobais
(b) Diabasic

 (c) Tribasic
(d) Tetrabasic

 


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