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 
