Grade -10 (SEE) Chemistry
Acid, Base and Salt
What is the importance of neutralization reaction?
Write the importance of neutralization reaction.
Grade -10 (SEE) Chemistry
Computer Fundamentals, Multimedia and its Applications
What is the application of multimedia in the field of advertisement?
What is the application of multimedia in the field of advertisement?
Natural gas has no smell but in household use we feel irritation smell. Why?
Natural gas has no smell but in household use we feel irritation smell. Why?
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Which one is not the fault of Mendeleev’s periodic table.
Which one is not the fault of Mendeleev's periodic table.
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Which one of the following is a very active element.
Which one of the following is a very active element.
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
In which group and period does this element fall in?
In which group and period does the element having electronic configuration 1s2 , 2s2 , 2p6 , 3s2 fall on the periodic table.
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Which of the following is an example of alkali metal?
Which of the following is an example of alkali metal?
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Study the part of periodic table given below and answer the question.
Study the part of periodic table given below and answer the question.
| I A | II A | IV A | V A | VI A | VII A | O |
| LI | Be | C | N | O | F | Ne |
| Na | Mg | Si | P | S | Cl | Ar |
Grade -10 (SEE) Chemistry
Classification of Elements and Periodicity in Properties, Position of Elements in the periodic table and their reactivity
Elements of which group have been kept on the table given alongside?
Elements of which group have been kept on the table given alongside? What changes can be observed in the reactivity from top to bottom.
| F |
| Cl |
| Br |
| I |
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