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ICSE-AIR AND ATMOSPHERE-EXERCISE - II
- Name : The most abundant elements in the earth's crust .
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- Name : A chemical called oxygenated water.
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- Which metal is highly resistant to corrosion?
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- Name : A mixture of oxygen and carbon dioxide used for artifical re...
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- Name : Two substances from which oxygen can be obtained on a large ...
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- Name : An oxide and a carbonate containing oxygen .
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- Name : Two substances which undergo rapid oxidation .
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- Taking hydrogen perioxide , how would you prepare oxygen in the labor...
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- What is the role of manganese dioxide in the preparation of oxygen ?
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- Why is hydrogen peroxide preferred in the perparation of oxgyen gas ?
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- Why is oxygen collected by downward displacement of water ?
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- What happens when a glowing splinter is introuduced in a jar contain...
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- What happens when oxygen gas is passes through alkaline pyrogallol ...
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- What happens when (i) mercuric oxidie and (ii) potassium nitrate are...
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- Why is postassium chlorate not used for laboratory preparation of oxy...
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- What are oxide ? Give two examples for each of metallic and non - meta...
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- Name the three types of oxidation processes. In which of these, large ...
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- Give four uses of oxygen.
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- How is oxygen naturally renewed in air ?
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- State two differences between : Rusting and buring.
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