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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
- Write down the formulae of these compounds, using criss-cross methods?...
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- Define the terms : Molecular mass.
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- Define the terms : Formula unit mass
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- Define the terms : Mole.
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- Define the terms : Molecular mass.
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- What are the main postulates of Dalton's atomic theory? (OR) Write t...
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- What is atomicity?
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- Why do elements have different atomicities?
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- What is anion ?
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- How many types of ions exists ?
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- Give examples to different net charged ions ?
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- When do we calculate formula unit mass?
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- Observe the following equation which shows the action of heat on Calci...
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- Observe the following equation which shows the action of heat on Calci...
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- Observe the following equation which shows the action of heat on Calci...
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- Observe the following equation which shows the action of heat on Calci...
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- What are the types of chemical reactions? Give examples to each.
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- Write difference between oxidation and reduction reactions.
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- Give tw0 example for chemical reactions in which precipitate is form...
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- What does one mean by exothermic and endothermic reactions? Give examp...
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