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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
- A light-yellow colour substance (some quantity) on a watch glass light...
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- What is the unit of atomic mass?
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- On the basis of molecular weights of NaOH and H2O, which is heavier?
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- Collect the symbols of various elements.
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- Give examples to different net charged ions ?
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- Prepare formulae for compounds by using Criss- Cross methods.
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- Make a chart showing the concept of mole.
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- Draw the diagram of arrangement of appartmentus in the activity of he...
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- Draw the diagram of “ Electrolysis of water”.
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- Draw the diagram of reduction of copper oxide to copper and label it.
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- Write any two compounds that are used in your house.
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- Molecular mass of H2SO4 is
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- The formula unit mass of sodium chloride is-
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- How can you prevent the spoiling of food?
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- How can you identify the corrosion of metals?
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- Where do you observe oxidation process in your daily life ?
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- What do you do to prevent rusting of copper and silver articles ?
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- What are the effects of oxidation on everyday life?
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- Formula of calcium hydroxide is Ca(OH)2 and zinc phosphate is Zn3(PO4)...
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- Which instrument is used to calculate the atomic mass exactly?
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