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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
- Which chemical reaction is involved in the corrosion of iron?
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- 0.24 g sample of compound of oxygen and boron was found by analysis to...
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- Why does respiration considered as an exothermic reaction ? Explain.
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- What is the difference between displacement and double displacement re...
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- Compare displacement reaction and Double displacement reaction.
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- In the refining of silver, the recovery of silver from silver nitrate ...
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- Who is called as the father of modern chemistry? What are his main con...
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- Law of conservation of mass was proposed by
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- State the following law of constant proportions.
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- What are the Dalton's proposals about the nature of matter ?
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- What is the proposal of Indian sage kanada, about atom?
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- How elements got their names? Explain all examples.
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- What is the use of symbols for elements?
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- What are the characteristics of a symbol?
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- Define the following terms. Atomicity
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- Define valaency .
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- Define Ions
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- Define element and compound. Give examples.
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- What is atomic mass?
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- How molecules are formed?
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