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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Name two poisonous gases which can be prepared from chlorine gas.
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- How aerosols are depleting ozone layer?
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- What is the basicity of H3PO2 acid and why ?
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- Why does ammonia act as a lewis base?
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- Why does NO2 dimerise ?
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- Out of white phosphorus and red Phosphorus, which one is More reactive...
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- On heating Pb(NO3)2 a brown gas is evolved which undergoes dimerizatio...
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- Which of the following compounds contains S=O and S=S bonds ?
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- Composition of bordo mix?
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- Which of the following halogen shows only negative oxidation state ?
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- The hybridisation state of S in SO2 is
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- Which of the following is the strongest acid?
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- P-P-P bond angle in white phosphorus is :
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- Answer the following question in one word- Name on alloy which is used...
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- Which of the following oxides of nitrogen is called laughing gas ?
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- Among the following which is the strongest oxidising agents: Br2, I2, ...
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- Which of the following does not exist? XeOF4, NeF2, XeF2, XeF6.
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- What is the basicity of H3PO2 acid and why ?
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- Which of the following element has maximum electron gain enthapy(neg...
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- The basicity of phosphorus acid is :
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