NTSE Chemistry Acids Bases and Salts MCQs

Refer to NTSE Chemistry Acids Bases and Salts MCQs provided below. NTSE Full Syllabus Chemistry MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Chemistry with answers have been prepared as per the latest syllabus, NTSE books and examination pattern suggested in Full Syllabus by NTSE, NCERT and KVS. Multiple Choice Questions for Acids Bases and Salts are an important part of exams for Full Syllabus Chemistry and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NTSE Full Syllabus Chemistry and also download more latest study material for all subjects

MCQ for Full Syllabus Chemistry Acids Bases and Salts

Full Syllabus Chemistry students should refer to the following multiple-choice questions with answers for Acids Bases and Salts in Full Syllabus. These MCQ questions with answers for Full Syllabus Chemistry will come in exams and help you to score good marks

Acids Bases and Salts MCQ Questions Full Syllabus Chemistry with Answers

 

Question: Which of the following represents acid-base pair for the equilibrium reaction ?

Chemistry carbon coal10

  • a) HCI, H2O              
  • b) HCI, H3O+       
  • c) HCI, CI- 
  • d) CI-, H2O

Answer: HCI, CI- 

 

Question: The strongest acid of the following is -

  • a) HCI
  • b) H2SO4  
  • c) HCIO4 
  • d) H3PO4

Answer: HCIO4 

 

Question: Acids are the substances that yield H+ ions in aqueous solutions while bases yield OH- ions. In a neutral solution -

  • a) There are no H+ ions.
  • b) There are no OH- ions.
  • c) There are neither H+ nor OH- ions.
  • d) H+ and OH- ions are present in very small but equal in number

Answer: H+ and OH- ions are present in very small but equal in number

 

Question: The reaction of water with ammonia is given by the following equation, in this reaction water acts as :

Chemistry carboncoal

  • a) Neutral
  • b) Base
  • c) Acid
  • d) Both acid and base

Answer: Acid


Question: Ionic theory of acid and bases was proposed by -

  • a) Lowry
  • b) Bronsted
  • c) Lewis
  • d) Arthenius

Answer: Arthenius


Question: The conjugate acid of NH2- is -           

  • a) NH3     

     

  • b) NH2OH  
  • c) NH4+ 
  • d) CIO4-

Answer: NH3     

 

Question: The strength of the acid depends on the -

  • a) Number of hydrogen atoms present in the molecules.
  • b) Density.
  • c) Oxygen content.
  • d) Concentration of hydrogen ions furnished by ionisation.

Answer: Concentration of hydrogen ions furnished by ionisation.


Question: According to Lewis concept, the acid is -

  • a) Proton acceptor.
  • b) Electron pair donor.
  • c) Electron pair acceptor
  • d) Proton donor.

Answer: Electron pair acceptor


Question: Which of the following could act as a Lewis acid but not Bronsted acid ?

  • a) HCI
  • b) H2SO4 
  • c) HSO3- 
  • d) SO3

Answer: SO3

 

Question: Which among the following is a Lewis acid ?

  • a) NaF
  • b) BF4  
  • c) NaCI
  • d) MgCI2

Answer: BF4  

 

Question: The pH of a solution is 3. When it’s pH changes to 6 then H+ ion concentration -

  • a) Increases three times.
  • b) Increases two times
  • c) Decrease 100 times
  • d) Decreases 1000 times.

Answer: Decreases 1000 times.


Question: At 800C, pure distilled water has H3O+ concentration equal to 1 × 10-6 mol L-1. The value of Kw at this temperature will be -           

  • a) 1 × 10-8      
  • b) 1 × 10-12   
  • c) 1 × 10-14    
  • d) 1 × 10-6

Answer: 1 × 10-12   

 

Question: What happens when dil. H2SO4 is added to baking soda ?

  • a) SO2 gas is evolved.    
  • b) Sodium sulphate is formed.
  • c) An acid salt is produced.
  • d) All of the above.

Answer: Sodium sulphate is formed.


Question: Bleaching powder is commercially called -

  • a) Chloride of lime only
  • b) Chlorinated lime only
  • c) Both
  • d) None

Answer: Both


Question: Which among the following is a Lewis acid ?

  • a) NaF
  • b) Nacl
  • c) MgCl2
  • d) BF4

Answer: BF4

 

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NTSE Full Syllabus Chemistry Acids Bases and Salts MCQs

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