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ICSE-CHEMICAL CHANGES AND REACTIONS-EXERCISE 2(B)
- The chemical change involving iron and hydrochloric acid illustrates a...
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- In the type of reaction called .........two compounds exchange their p...
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- A catalyst either ........... or ............. the rate of a chemical ...
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- On heating, hydrated copper sulphate changes its colour from ............
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- When hydrogen burns in oxygen, water is formed, when electricity is pa...
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- Explain, giving one example for each of the following chemical changes...
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- Explain, giving one example for each of the following chemical changes...
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- Explain, giving one example for each of the following chemical changes...
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- Explain, giving one example for each of the following chemical changes...
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- What is synthesis ?
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- What kind of chemical reaction is synthesis ? Support your answer by a...
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- Decomposition brought about by heat is known as thermal decomposition....
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- Define neutralization reaction with an example.
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- Give three applications of neutralization reactions.
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- What do you understand by precipitation reaction ? Explain with an exa...
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- What are double displacement reactions ?
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- Give an example of double displacement reaction, where a gas is evolve...
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- What is a decomposition reaction ?
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- Decomposition reactions can occur by (i) heat (ii) electricity and (ii...
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- State the type of reactions each of the following equations represent ...
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