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प्रश्न
Match the pairs.
| a. | Photosynthesis | i. | Tendency to lose electrons |
| b. | Water | ii. | Reactant in combustion process |
| c. | Sodium chloride | iii. | Chemical change |
| d. | Dissolution of salt in water | iv. | Covalent bond |
| e. | Carbon | v. | Ionic bond |
| f. | Fluorine | vi. | Physical change |
| g. | Magnesium | vii. | Tendency to form anion |
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उत्तर
| a. | Photosynthesis | iii. | Chemical change |
| b. | Water | iv. | Covalent bond |
| c. | Sodium chloride | v. | Ionic bond |
| d. | Dissolution of salt in water | vi. | Physical change |
| e. | Carbon | ii. | Reactant in combustion process |
| f. | Fluorine | vii. | Tendency to form anion |
| g. | Magnesium | i. | Tendency to lose electrons |
संबंधित प्रश्न
What do you observe when iron nail is kept in copper sulphate solution for sometime.
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In a ............ change, new substances are formed.
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Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
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Choose the correct option from the bracket and explain the statement giving reason.
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A chemical change may involve –
