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BEYOND PUBLICATION-CHEMICAL EQUATIONS-EXERCISE
- Why should we balance a chemical equation?
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- What is a chemical equation?
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- By a balanced chemical equation, what do we know about atoms ?
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- How many steps are there in balancing the equation ?
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- Is there any imp0rtance of molecular formulae in writing the equation ...
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- How do the co-efficients of the substances would be, while balancing t...
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- Can we change the ratio of atoms in the molecules of the substances wh...
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- Sitara told that a chemical reaction occurs in ripening of grapes. Is ...
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- X - Y leftarrow Z. Raja wrote a chemical equation like so ? What are t...
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- Zn + HCl rarr ZnCl2 + H2.Is it a balanced equation ? Give the reason.
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- Rupa says "xx+ y rarr xxy +Q indicates an endothermic reaction". Can y...
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- 4 Agcl rarr 4 Ag + 2 Cl2. Is it a balanced equation ? Yet it is not in...
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- An arrow pointing downwards in a chemical reaction shows……
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- A solution of sodium carbonate reacts with Ca(OH)2 to give
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- Which reaction is a reversible reaction ?
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- Which of the following precipitate is formed, on mixing lead nitrate P...
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- Which of the following is formed, when magnesium burns in air ?
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- Which of the following precipitate is formed on mixing sodium with bar...
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- Which of the following is, when the black coating that appears when co...
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- By using which of the following one, we can calculate tha number of mo...
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