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VGS PUBLICATION-BRILLIANT-CHANGES AROUND US-EXERCISE
- What are the methods you suggest to prevent the rusting of iron?
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- Do all the materials get rusted or react with oxygen in the air?
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- What changes do you notice when few pieces of ice in a beaker are heat...
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- What changes do you observe when some material is burning? What do you...
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- What happens when magnesium ribbon is burnt in air? What type of subst...
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- What happens if you put an iron nail in copper sulphate solution? Desc...
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- Describe how do you perform the activity to observe the reaction of vi...
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- How do you produce large size of sugar crystals? What type of change i...
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- What do you observe on the cut pieces of fruits and vegetables? Why do...
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- How can we prevent browning of cut vegetables and fruits?
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- Rust is
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- Depositing one metal on another metal is
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- This metal is generally used for Galvanisation.
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- …………… prevents the outer surface of potato from colouring
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- Ascorbic Acid is
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- Magnesium Hydroxide is
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- Lime water changes to milky is a
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- Ripening of fruits is a
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- Action of heat on paraffin wax is
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- In a physical change
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