12
                           
                           
                              
                           
                           
                           
                           
                                                      
                           
                  
                  
                  
                           
                                                                                 
                           
                              
                                                            
                                 
                                 
                                 
                              
                           
                           
                           
                           
                           
                        
                        
                     
                              Q:
                           
                           
                                                      | A) Brass | B) Quick lime | 
| C) Marble | D) Soda ash | 
                              Answer:   A) Brass
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Among the given options Brass is not a compound. Since it is an alloy, it is a mixture. It is a mixture of copper and zinc.

The smallest part of a compound is called a molecule. It has a unique composition that is always the same.
Compound is a substance that consists of two or more elements.
 
                             Aptitude and Reasoning
                                                                        Aptitude and Reasoning General Knowledge
                                                                        General Knowledge Puzzles
                                                                        Puzzles Interviews
                                                                        Interviews Technical
                                                                        Technical Certifications
                                                                        Certifications Exams
 Exams Job
                                                                    Roles
 Job
                                                                    Roles True or False
 True or False Exams
 Exams