NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 560  567 of 2000
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Question number: 560
» Chemistry » The Nature of Matter
Question
Detergent action of soap and synthetic detergents is due to their ________.
Choices
Choice (4)  Response  

a.  Emulsification properties  
b.  Interfacial area  
c.  High molecular weight  
d.  Ionization 
Question number: 561
Question
One of the factors of is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 562
» Mathematics » Number Systems
Question
The value of x in is
Choices
Choice (4)  Response  

a.  16,10  
b.  16, 10  
c.  16, 10  
d.  16,10 
Question number: 563
Question
If each entry of a data is decreased by 1, then the arithmetic mean
Choices
Choice (4)  Response  

a.  Remains the same  
b.  Decreases by 1  
c.  Increases by 1  
d.  All of the above 
Question number: 564
» Mathematics » Number Systems
Question
The value of
Choices
Choice (4)  Response  

a. 
 
b.  8  
c.  4  
d. 

Question number: 565
» Chemistry » The Nature of Matter
Question
Which of the following can pass through filter paper but not through a semi permeable membrane?
Choices
Choice (4)  Response  

a.  Suspension  
b.  True solution  
c.  Colloidal solution  
d.  Question does not provide sufficient data or is vague 
Question number: 566
» Mathematics » Coordinate Geometry
Question
The distance of the point from the origin is
Choices
Choice (4)  Response  

a.  units  
b.  units  
c.  5 units  
d.  Question does not provide sufficient data or is vague 
Question number: 567
» Mathematics » Surface Areas & Volumes
Question
The height of a cone is 36 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.
Choices
Choice (4)  Response  

a.  15.18 cm  
b.  5.65 cm  
c.  21.53 cm  
d.  30.35 cm 