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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
- Explain why the freezing point, boiling point, heat of fusion and heat...
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- Explain why ice floats on water.
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- At which temperature the density of water is maximum and why?
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- Many electrovalent or ionic compounds and same non-electrolytes such a...
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- Water is very stable compound - why ?
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- Explain why water is called 'universal solvent?
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- Explain why water is called an 'amphiprotic solvent'. Establish this g...
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- What do you understand by'self-ionisation' or 'autoprotolysis' of wate...
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- Give examples of two reactions one in which water acts as an oxidising...
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- Which type of compounds undergo hydrolysis? Give examples.
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- What happens when steam is passed over red hot coke? Give suitable equ...
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- Water plays a significant role in controling the atmospheric and body ...
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- How does water stabilise an ion?
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- Why water is liquid at ordinary temperature?
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- How will you prove that a colourless liquid is water?
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- Indicate whether water undergoes oxidation or reduction during photos...
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- Cobalt chloride is blue in anhydrous state . In contact with water va...
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- What is heavy water? Why it is called so? State the major source of he...
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- All physical constants of heavy water are higher than the correspondin...
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- What amount of water should be electrolysed to get 1L of 99% pure D(2)...
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