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SUBHASH PUBLICATION-HYDROGEN-Two marks questions and answers
- Define ionic hydrides.
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- Define covalent hydrides or molecular hydrides.
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- Define metallic hydride or interstitial hydrides.
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- Water is amphoteric substance. Why ?
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- What happens when water reacts with sodium metal ?
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- How to prepare hydrogen peroxide from BaO(2)?
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- Dilute solution of hydrogen peroxide cannot be heated strongly for its...
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- Can sodium bicarbonate make water hard ?
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- Which of the hydrogen or deuterium undergoes reactions more rapidly an...
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- Can we remove completely temporary hardness due to Mg(HCO(3))(2) by bo...
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- H(2)O(2) acts as on oxidizing agent as well as reducing agent Why ?
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- Why do lakes freeze from top towards bottom ?
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- A mixture of H(2)O(2) and hydrzine with copper (II) is used as a rocke...
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- Water cannot be used to extinguish petrol fires. Why ?
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- What is the volume strenth of H(2)O(2)?
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- Hard water is softened before using in boilers. Expain.
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- What are the uses of Heavy Water ?
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- Show the oxidising property of H(2)O(2) with PbS.
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- Discuss the position of hydrogen in the periodic table is not justifie...
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- Explain property of H(2)O(2)"with"MnO(4)^(-) in acidic medium.
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