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MBD-ATOMS AND MOLECULES -Example
- In a reaction ,5.3g of sodium carbonate reacted with 6g of ethanoic ac...
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- Hydrogen and oxygen combine in the ratio of 1 :8 by mass to from wate...
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- Which postulate of Dalton's atomic theory is the result of the law o...
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- Which postulate of Dalton's atomic theory can explain the law of def...
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- Define the atomic mass unit?
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- Why is not possible to see an atom with naked eyes?
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- Write down the formula of sodium oxide
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- Write down the formula of Aluminium chloride
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- Write down the formula of sodium sulphide
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- Write down the formula of Magnesium hydroxide
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- Write down the name of the compounds represented by the following form...
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- Write down the name of the compounds represented by the following form...
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- Write down the name of the compounds represented by the following form...
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- Write down the name of the compounds represented by the following form...
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- Write down the name of the compounds represented by the following form...
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- What is meant by the term chemical formula?
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- How many atoms are present in, H2S molecule
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- How many atoms are present in, PO4^(3-) ion?
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- Calculate the molecular masses of H2,O2,Cl2, CO2,CH4,C2H4,NH3,CH3OH.
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- Calculate the formmula unit mass of ZnO, Na2O,K2CO3.
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