MCQOPTIONS
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				| 1. | 
                                    For adhesion to be present between solid and liquid________________? | 
                            
| A. | Liquid should wet solid surface | 
| B. | Mechanical interlocking should be present | 
| C. | Should have high contact angle | 
| D. | None of the above | 
| Answer» B. Mechanical interlocking should be present | |