Which of the following pair is correctly matched?

1. Basic oxides - \(\mathrm{In_2O_3 , K_2O , SnO_2}\)
2. Neutral oxides - \(\mathrm{CO, NO_2, N_2O}\)
3. Acidic oxides - \(\mathrm{Mn_2O_7, SO_2, TeO_3}\)
4. Amphoteric oxides -\(\mathrm{BeO , Ga_2O_3 , GeO }\)
Subtopic:  Nature of Compound |
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The correct sequence given below contains neutral, acidic, basic, and amphoteric oxide each, respectively is:
 
1. NO, ZnO, CO2, CaO  2. ZnO, NO, CaO, CO
3. NO, CO2, ZnO, CaO 4. NO, CO2, CaO, ZnO
Subtopic:  Nature of Compound |
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Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s22s22p3, the simplest formula for this compound is: 

1. Mg2X3

2. MgX2

3. Mg2X

4. Mg3X2

Subtopic:  Nature of Compound |
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