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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Complete the following reaction : HCl(dil) + Fe rarr
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- State whether the statement is true or false- Ammonal is a fertilizer.
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- Which among the following pairs is stronger acid ? HF or HCl .
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- Answer the following question in one word- Name an alloy which is used...
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- Which among the following pairs is stronger acid ? HClO3 or HClO4 .
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- Answer the following question in one word- Juice of grapes is made up ...
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- Complete the following reaction : H2S + O2 rarr
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- Complete the following reaction : K + H2O rarr
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- Name the noble gas which is most abundant in atmosphere.
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- Name the noble gas which is radioactive.
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- Name the noble gas which has least boiling Point .
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- Which was the first noble gas compound synthesised? Who prepared it ?
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- Draw the structure of XeF2, and what is the state of hybridisation of ...
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- What is the state of hybridisation of Xe in : XeOF4
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- What is the state of hybridisation of Xe in : XeO3
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- What is the state of hybridisation of Xe in XeF4.
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- What is the difference of water molecules in plaster of paris and gyps...
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- The odour of acetic acid resembles that of :
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- Plaster of paris is hardens by .......................
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- Which of the following is evolved when Na2CO3 is heated ?
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