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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
- Balance the following equation : Cu+HNO3 rarr Cu(No3)2 + H2O +NO
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- Balance the following equation : Al + Fe3O4 rarr Al2O3 + Fe
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- Which of the following elements shows variable valency ? What are thos...
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- Write down the chemical formulae of the following compounds : Alumini...
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- What is the formula of lead nitrate ?
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- How many atoms are present in a molecule of white phosphorus?
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- Write down the chemical formulae of the following compounds : alumini...
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- How many atoms of oxygen are present in 4.4 gm of CO2 at NTP ?
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- What is the mass of 224 ml of oxygen at NTP ?
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- How many atoms are present in 10 gms of calcium carbonate ?
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- How many atoms of hydrogen are present in two molecule H3PO4?
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- How many moles of hydrogen molecules are there in one mole of hydrogen...
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- How many molecules will be present in one gram molecular mass of hydro...
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- fill up the gap : 2 mole of nitrogen occupies ml at STP.
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- What is the mass of half a mole of oxygen atom ?
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- one mole of sulphur contains atoms .
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- Weight of 0.2 moles of CO2 gas is gram .
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- 8 gm of SO2 gas is mole and occupies - lit at STP.
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- How many atoms are present in 4.9 gms of suphuric acid ?
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- What is the relationship between molecular mass and vapour density ?
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