Civil Service Aspirants Logo

You are browsing the best resource for TNPSC Group 1 Exam.

for the Aspirants who are preparing for Group 2,2A, Group 4,VAO kindly refer your Syllabus and Prepare with our site.
TUTORIALS LIBRARY
  Previous
Next  

Acids Base and Salts

13. 

pH of Gastric juice is

A. 1.6 B. 7 C. 14 D. 7.4

Answer : A. 1.6

Justify your answer :  
Name:  
Email ID:  
 

14. 

The silver salt used in Photography is

A. AgBr B. AgNO3 C. AgCl D. AgI

Answer : A. AgBr

Justify your answer :  
Name:  
Email ID:  
 

15. 

The acid present in milk is known as

A. Citric acid B. acetic acid C. Lactic acid D. Butyric acid

Answer : C. Lactic acid

Justify your answer :  
Name:  
Email ID:  
 

16. 

Hardness of water is due to the soluble salts of

A. sodium and potassium B. potassium and calcium C. sodium and magnesium D. calcium and magnesium

Answer : D. calcium and magnesium

Justify your answer :  
Name:  
Email ID:  
 

17. 

Dibasic acid is

A. acetic acid B. phosphoric acid C. sulphuric acid D. nitric acid

Answer : C. sulphuric acid

Justify your answer :  
Name:  
Email ID:  
 

18. 

Which of the following is incorrectly matched?

A. Mohr's Salt - FeSO4(NH4)2 SO4 6H2O B. Basic Salt - NaHCO3 C. Basic Salt - Cu(OH) NO3 D. Complex salt- K4 Fe(CH)6

Answer : C. Basic Salt - Cu(OH) NO3

Justify your answer :  
Name:  
Email ID:  
 
  Previous
Next  
TOP