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VGS PUBLICATION-BRILLIANT-CHANGES AROUND US-EXERCISE
- Explain what are physical and chemical changes: Give examples.
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- classify the following processes into physical changes or chemical c...
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- What is rust and rusting? Why does iron rust ? What type of a change i...
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- What is Galvanisation? Explain its importance.
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- What happens when you put a small quantity of Camphor in a dish and pl...
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- What happens when you put a small quantity of Camphor in a dish and pl...
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- Describe what changes occur in a chemical change.
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- How do you make crystallization of urea?
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- What is crystallization? How do you make crystallization of copper sul...
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- Think about the following changes and decide whether they are physical...
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- Do copper articles get rust? When rusting becomes faster? What change ...
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- How can you say that rusting is a chemical change? What factors are fa...
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- 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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