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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-WARM UP EXERCISE
- Is the statement correct or incorrect- 35.5g of chlorine contains 6.02...
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- Calculate the number of molecules in 0.52g of acetylene.
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- Find the number of molecules in 1 millimole of CO(2).
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- Calculate the number of O-atoms in 0.5 mol of SO(2).
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- Calculate the mass of 1 mol of electrons if the mass of one electron b...
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- At a temperature of 273K and 1 atm pressure 1L of a gas weighs 2.054g....
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- At same temperature & pressure two flasks of equal volume contain NH(3...
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- Give the definitions of normal density and vapour density of gaseous s...
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- Establish a relation between molecular mass and vapour density of gase...
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- Show that the volume of 1 gram-molecule of any gas at 273K temperature...
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- Calculate the volume occupied by 1 molecule of any gaseous substance a...
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- Choose the correct options: The vapour density of carbon dioxide is -(...
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- Discus the effect of pressure and temperature on the vapour density of...
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- Carbon dioxide decomposes to form its own volume of oxygen. Find the m...
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- Under same conditions of temperature and pressure the vapour density o...
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- The equivalent mass of an element can never be zero-explain.
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- Establish the relation between equivalent mass and atomic mass of an e...
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- Calculate the equivalent weight of sulphate ion.
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- Calculate the equivalent weight of ferrous sulphate [when Fe^(2+) unde...
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- Prove that the equivalent mass of an element varies inversely with its...
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