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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Water gas cannot be prepared by a continuous process because:
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- The core of a non-luminous Bunsen burner flame is observed to be yello...
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- If the flame of a gas stove burns with yellow tips, the burner must be...
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- When sodium formate is heated in a current of CO2 at 360^@ C we get :
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- A kettle which becomes furred-up in use has inside it a deposit compos...
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- Which of the following is better fuel ?
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- The component present in greater proportion in water gas is :
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- The reducing power of divalent species decreases in the order :
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- Which form of carbon is used in making boot polish, printing ink, pain...
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- Which of the following is similar to graphite ?
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- Solid CO2 is used as:
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- Which gas has more percentage in coal gas ?
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- Bond energy is highest for :
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- Which of the following is more stable ?
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- Graphite is soft because:
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- Tin, a silvery white metal exists in :
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- CO2 is obtained by heating :
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- Which is not allotrope of carbon?
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- When chlorine is passed through molten tin, the product obtained is:
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- Thermodynamically most stable form of carbon is :
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