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Give reasons for the following : In t...

Give reasons for the following :
In the information of `MgO` the magnesium atom [at.no. 12] loses two electrons from its valence shell.

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ICSE-CHEMICAL BONDING -UNIT TEST PAPER 2
  1. Give reasons for the following : NH(3) gas a covalent compound does ...

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  2. Give reasons for the following : MgCl(2) is soluble in water but in...

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  3. Give reasons for the following : Iron displaces copper from a solut...

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  4. Give reasons for the following : A non- metallic atom [at.no. 9] f...

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  5. Give reasons for the following : In the information of MgO the m...

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  6. With reference to a molecule of water, fill in the blanks with the cor...

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  7. Fill in the blanks with the correct word from the brackets: The b...

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  8. Fill in the blanks with the correct word from the brackets: In the...

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  9. Fill in the blanks with the correct word from the brackets: The co...

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  10. Fill in the blanks with the correct word from the brackets: The mo...

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  11. Fill in the blanks with the correct word from the brackets: For f...

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  12. Electronic configuration of the following elements are given: 1. So...

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  13. A compound has a formula = ''H(2)Y''. Y denotes a non - metal. State ...

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  14. A compound has a formula = ''H(2)Y''. Y denotes a non - metal. State ...

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  15. A compound has a fortmula = ''H(2)Y''. Y denotes a non - metal. State...

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  16. A compound has a formula = ''H(2)Y''. Y denotes a non - metal. State ...

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  17. A compound has a fortmula = ''H(2)Y''. Y denotes a non - metal. State...

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