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What do you observe when Cobalt chlori...

What do you observe when
Cobalt chloride paper is introduced in water vapour, Write balanced equations for each of the above.

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ICSE-PRACTICAL WORK-REVIEW QUESTIONS
  1. What do you observe when Cobalt chloride paper is introduced in wate...

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  2. Name a gas which reduces hot copper (II) oxide to copper.

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  3. Write correctly a balanced equation for the following word equation: ...

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  4. Select from the list the gas that matches the description given in eac...

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  5. Name a gas used along with acetylene for welding and cutting metals.

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  6. Write correctly the balanced equation for the following: When red le...

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  7. Write correctly balanced equations in the following cases: When lead...

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  8. Write correctly balanced equations in the following cases: When phos...

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  9. Name the products formed when a candle burns in oxygen.

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  10. Give a reason for the following: Like oxygen, nitrous oxide (N2O) also...

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  11. Name a non-metallic element which forms an acidic and a neutral oxide.

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  12. Name a non-metallic oxide which is a reducing agent.

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  13. Name (formula not acceptable) the gas produced in the following reacti...

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  14. Explain why chlorine turns moist starch iodide paper blue-black.

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  15. State three tests by which you could identify a gas as being chlorine.

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  16. State what you observe when a piece of moist blue litmus paper is plac...

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  17. For the elements sodium and phosphorus, state the following the form...

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  18. For the elements sodium and phosphorus, state the following The phys...

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  19. For the elements sodium and phosphorus, state the following the natu...

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  20. State what you observe when a piece of moist blue litmus paper is plac...

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  21. Write correctly a balanced equation for the following “word equation":...

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