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- If Na2SO3 is left open in air, we get:
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- The ratio of the gases obtained on dehydration of HCOOH and H2C2O4 by ...
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- Six volumes of oxygen, on complete ozonisation, form…..volumes of ozon...
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- Oxygen molecule is:
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- Ozone is:
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- Which metal loses its meniscus after reaction with ozone ?
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- Which statement is false for ozone ?
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- Ozone reacts with dry iodine to give:
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- Which does not liberate O2 on heating ?
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- Which burns to form an oxide which is gas at room temperature ?
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- Ozone turns benzidine paper:
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- Oleum is a mixture of:
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- Which is a true acid anhydride?
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- When SO2 gas is passed through an acidified solution of K2Cr2O7 :
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- The least stable oxide at room temperature:
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- Which metal forms an amphoteric oxide ?
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- Which one is more acidic ?
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- Oxygen gas can be prepared from solid KMnO4 by:
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- Starch paper moistened with KI solution turns blue in ozone because of...
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- Which member of 16 group has the highest catenation ability ?
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