Chemistry Mcqs Set 55

Chemistry Mcqs Set 55

1. In alloys, the solute is a ............... .
(i) solid                  
(ii) liquid                      
(iii) gas                         
(iv) water
 
2. The solvent in smoke is ..................... .
(i) solid                 
(ii) gas                  
(iii) liquid                        
(iv) nitrogen
 
3. An example of a solution in which liquid is the solute and solid as solvent in ................. .
(i) smoke                 
(ii) milk                  
(iii) cloud                        
(iv) cheese
 
4. Brownian movement is observed in ....................... .
(i) sugar solution                 
(ii) milk                   
(iii) bronze                   
(iv) He-O2 mixture
 
5. When sand or clay is added to water, the resulting solution is ................. .
(i) true solution            
(ii) colloidal solution       
(iii) suspension     
(iv) non aqueous solution
 
6. When sunlight passes through the window of the class room, the dust particles scatter the light making the path of the light visible. This phenomenon is called ................. .
(i) tyndall effect        
(ii) Brownian motion          
(iii) electro phoresis     
(iv) electro plating
 
7. In an exothermic process, increase of temperature ............... the solubility
(i) increases          
(ii) decreases           
(iii) remains constant    
(iv) neither decreases nor increases
 
8. The solution which contains alcohol as the solvent is called ................... .
(i) aqueous solution               
(ii) non aqueous solution        
(iii) alloys          
(iv) suspension
 
9. The solubility of sodium nitrate in water is .......................... .
(i) 92g               
(ii) 184g                
(iii) 95g                    
(iv) 36g
 
10. A ................... is a homogenous mixture of two or more substances.
(i) true solution                        
(ii) colloidal solution
(iii) suspension                          
(iv) mixture of milk powder and water