# Math MCQs Test Preparation

Chemistry Online MCQs Preparation

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Chemistry Online MCQs Preparation
### 1. If A={1,2} and B={a,b} , then A∩B=________ .

### 2. The Complement of a set A can be written as :

### 3. Two sets are called _______________ if there is at least is one
element common between them.

### 4. The rational numbers p/q and q/p are called _________ inverse of each
other.

### 5. The Number that can be expressed in the form of p/q where p and q are
integers and q ≠0 is called the __________ Number.

### 6. The Symbol "∧" means ?

### 7. "B difference A" is represented by :

### 8. A set which contains all the possible elements of the sets under
consideration is called the ________________ Set.

### 9. A'∪A = ____________ .

### 10. To write an empty set we use the symbol ?

### 11. The Set Consisting of Only Common Elements of two sets is called the
_________________ of two sets.

### 12. The ___________ consists of fractions as well as integers.

### 13. If A={1,3} and B={1,2,3}, then A∪B= ________ ?

### 14. In sets the Universal set acts as ____________ for Intersection.

### 15. 0 is called additive identity where as one is called _____________
identity.

### 16.

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