Thursday, 20 July 2023

Acids, Base and salts

            YASH CLASSES

   Acid base and salts (Objective)


1.Which one of the following types of medicines is   

    used for indigestion? 

  A antibiotic B anti acid c analgesic. D antiseptic.

2.Maine shots apps are water from atmosphere.   

   This properly is called. 

    A crystallization       B hydration

    C.   liquescence             d. Efflorescence

3.The following method Is used to obtain chlorine and hydrogen from sodium chloride.

   A.  electrolysis             B.  thermal heating 

   C.  evaporation            D. electroplating.

4.North oxide is acidic and has a pungent order. 

     It would be.

      A. carbon monoxide    B. carbon dioxide

       C. sodium oxide          D. nitrogen dioxide.

5.An Element X form a solid oxide which dissolves 

    in water. Solution form gives a blue colour with   

    litmus X could be 

   A.  sodium    B. iron   C. aluminium   D. zinc.

6.Which of the following indicators is not 

    an acid base indicator?

     A. Phenolphthalein          B vanilla.

    C.  litmus                            D.  methyl orange

 7. Picke the odd oxide out.

     A. sulphur dioxide   B. nitrogen oxide. 

   C. copper oxide D calcium oxide. E sodium oxide.

 8.Which of the following will give? PH less than 7.

      A. blood                            B. milk of Magnesia 

     C. sodium hydroxide       D. digestive juice.

9.Which of the following battle does not react with dilute sulphuric acid to liberate? Hydrogen gas.

  A. calcium    B. sodium      C. iron     D. silver.

   Acid base and salts (Objective)

10.Which one of the following compounds is main constituent of baking powder?

 A. Sodium bicarbonate      B. sodium carbonate 

 C. potassium bicarbonate   D. tartaric acid.

11.Which one of the following compounds is 

   main constitute of washing powders?

   A. sodium chloride   B. sodium carbonate

   C. bleaching powder d. sodium hydroxide. 

12.which of the following elements form 

    acidic oxide? 

      A magnesium       B sodium 

     C phosphorus       D. aluminium

13.Which of the following compound is used to   

      repair fractured bones? 

    A. Sodium carbonate   B. calcium oxychloride

    C. CaSO4. ½ H2O            D.  CaSO4. 5 H2O

14. Sodium carbonate is not used as. 

 A. Gradient in entire assets.  B as a cleaning agent

 C for removing. Permanent hardness of water 

  D. for manufacture of glass.

15.Tooth enamel contents 

 A. Calcium carbonate B calcium sulphate,

 C.  calcium chloride     D. calcium phosphate.

16.On diluting a solution of pH 11. Its pH 

 A increase B decrease C remains same D can’t say

17.The natural indicator among the following is

     A.  an offline            B methyl orange 

     C methyl red            D. litmus.

18.One of the components of baking powder 

     A. Stearic acid             B. acetic acid. 

   C. oxalic acid                 D. citric acid.

19.Solution turns red litmus blue. Its pH would be. 

    A.   2        B.  4          C.  7         D.     9 

20. Basic solution, content ions .

  A.  H+   B.  OH-    C.  both H+ and OH-     D.  Na+  

   Acid base and salts (Objective)

10.Which one of the following compounds is main constituent of baking powder?
 A. Sodium bicarbonate B. sodium carbonate
 C. potassium bicarbonate D. tartaric acid.

11.Which one of the following compounds is
   main constitute of washing powders?
   A. sodium chloride B. sodium carbonate
   C. bleaching powder d. sodium hydroxide.

12.which of the following elements form
    acidic oxide?
      A magnesium         B sodium
     C phosphorus         D. aluminium

13.Which of the following compound is used to
      repair fractured bones?
    A. Sodium carbonate  B. calcium oxychloride
    C. CaSO4. ½ H2O              D. CaSO4. 5 H2O

14. Sodium carbonate is not used as.
 A. Gradient in entire assets. 
 B. as a cleaning agent
 C. for removing. Permanent hardness of water
  D. for manufacture of glass.

15.Tooth enamel contents
 A. Calcium carbonate    B calcium sulphate,
 C. calcium chloride        D. calcium phosphate.

16.On diluting a solution of pH 11. Its pH
   A. increase                     B. decrease 
  C. remains same            D. can’t say

17.The natural indicator among the following is
     A. an offline              B. methyl orange
     C methyl red             D. litmus.

18.One of the components of baking powder
     A. Stearic acid          B. acetic acid.
   C. oxalic acid              D. citric acid.

19.Solution turns red litmus blue. Its pH 
      would be.
    A. 2          B. 4           C. 7          D. 9

20. Basic solution, content ions .
  A. H+   B. OH-     C. both H+ and OH-  D. Na+

             Acid base and salts (Objective)
21. An aqueous solution of NH4Cl has pH 
  A. less than 7           B. more than 7   
     C. 7                         D. none of this.

22.An aqueous solution of sodium acetate will turn 
  A. Methyl orange, yellow.     B red litmus blue.
  C. phenolphthalein solution pink. D all of these.

23.During the manufacture of sodium carbonate by   
    Solvay process, material consumed are 
   A. sodium chloride and limestone, 
   B. sodium chloride and ammonia, 
   C. limestone, ammonia and sodium chloride. 
   D. Limestone, ammonia, sodium chloride and    
       carbon dioxide.

24. Acetic acid, citric acid, hydrochloric acid, dielectric acid.
Aneka solution of salt s acidic. 

25.Which of the following acid and base react to   
     give this salt? 
    A. strong acid and strong base. 
    B. strong acid and weak base 
    C. weak acid and strong base. 
    D.  Weak acid and weak ways .

26. Assault of sodium acetate and water is basic because in hydrolysis water to give acetic acid and sodium hydroxide 
 A. assertion is correct be reason is correct.   
 B. assertion is correct but reason is wrong.   
 C. assertion is wrong but reason is correct. 
 D. The assertion is wrong, reason is wrong.

27. The pH of sample X is found to be 4. The sample  
       X may be following substance 
   A. sodium chloride    B. sodium hydroxide
  C. ammonium chloride D. ammonium acetate.

28.Tooth decay start if pH of mouth falls below. 
       A. 8        B. 7       C.      5.5         D.     3.5

             Acid base and salts (Objective)
29.Which of the following salt does not? Decisis. 
     A. magnesium chloride    B. sodium chloride
     C. calcium chloride           D. feral sulphate.

30.Which of the following process work Bast near PH   
      close to 7 ? 
    A. our digestive system   B. HI tooth enamel 
    C. growth of plant            D. conservation of milk   
                                                     into curd 
 
31.Which are following substance is used as an anti  
       collar?     Halo like 
    A. calcium oxychloride    B. sodium sulphide oxide.      
     C. sodium sulphate.        D. copper sulphate.

32. Bleaching powder is not used 
    A. for this fainting drinking water. 
    B in manufacture of chloroform.
    C. for bleaching in textile. 
    D. as cleaning agent.

33. Sodium carbonate is not used in soft drink a water bottle. Manufacture of cement C detergent demand picture of glass.

34. Which of the following gases can be used 
     as a  fuel   
 A. oxygen              B. chlorine 
C. hydrogen            D. carbon dioxide

35. Which of the following substance has the lowest  PH value  
     A. sugar                 B. Tomato juice
     C. vinegar              D. washing soda?

36. A solution having the pH range is weekly acid. 
       A. 0 to 2     B.2 to 4     C. 4 to 7    D. 7 to 10.

37. Which of the following indicator gives pink  
       colour in acidic solution? 
     A.  methyl orange   B.  phenolphthalein. 
     C.  litmus                   D. bromomethyl blue.

               Acid base and salts (Objective)
38. Which one of the following properties shown by  not an acid? 
Vitaran test be gives yellow colour with methyl orange 4D change blue litmus to write.

39. Mineral acid can safely store in container in  
      which following material. 
  A. aluminium   B. Iron    C. silver D. zinc 

40. choose the correct statement 
   A. dilute sulfuric acid turns methyl orange yellow   
   B. most chlorine turns red litmus blue
   C. Vinegar turns red litmus blue 
   D. water in which some S2 given bubble turns 
        phenolphthalein pink.

41. A substance which finance large amount of 
       hydroxylamine when added to water is? 
       A. strong acid                B. weak acid 
      C. strong base                 D. week base 

42. A few drops of methyl orange are added to soap solution. The colour of solution becomes 
       A. orange            B. yellow  
     C. pink                   D. remain colour less   

43.the acid form in stomach which helps. Indigestion 
      is dilute solution of. 
     A. hydrochloric acid       B. sulphuric acid
     C. acetic acid                   D. citric acid.