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Shri Vile Parle Kelavani Mandal s C.N.M. School & N.D. Parekh Pre-Primary School CLASS X MUST KNOW QUESTIONS 2017 -18 CHEMISTRY Question 1 Define the following: 1. Ionisation Potential 2. Lone pair of electron 3. Atomicity 4. Mole 5. Electrolysis 6. Isomerism 7. Electronegativity 8. Electron affinity 9. Catenation 10. State Gay Lussac s law 11. State Avogardo s law 12. Deliquescence 13. Efflorescence Question 2 A) Distinguish between the following: 1. Electronegativity and electron affinity 2. Covalent and co-ordinate bond 3. Metals and non metals ( on the basis of malleability, dissociation and nature of oxides) -----------------------------------------------------------------------------------------------------------------------------------------Chemistry Questions Page 1 of 15
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