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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
- Differentiate between chemical displacement reactions and chemical dec...
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- Name the reactions taking place in the presence of sunlight.
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- Give two examples for oxidation - reduction reaction.
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- Draw a diagram to show the experimental setup for the law of conservat...
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- Why do we apply paint of iron articles ?
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- How can we prevent rusting of Iron?
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- What is the use of keeping food in air tight containers?
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- 15.9 of copper sulphate and 10.6 g of sodium carbonate react together ...
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- Carbon dioxide is added to 112 g of calcium oxide. The product formed ...
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- Imagine what would happens if we do not standard symbols for elements....
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- Fe(2)O(3)+2AlrarrAl(2)O(3)+2Fe The above reaction is an example of :
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- What happens when dil. Hydrochloric acid is added to iron filing ? Cho...
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- 2PbO((s))+C((s))rarr2Pb((s))+CO(2(g)) Which of the following stateme...
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- The chemical equation BaCl(2)+Na(2)SO(4)rarrBaSO(4)+2NaCl represents...
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- The reaction of formation hydrogen chloride from hydrogen and chlorine...
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- What is neutralization ? Explain an activity to demonstrate neutraliza...
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- Define chemical combination and give an example.
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- Explain an activity to demonstrate decomposition.
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- What is chemical decomposition ? Explain with an example.
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- What will happen when calcium carbonate was heated?
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