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1. What is the maximum Water Vapour content in the atmosphere?

2. Species containing same number of electrons are called:

3. In which of the following substances all carbon atoms are quaternary in nature

4. Which of the following fuels causes minimum environmental pollution?

5. When iron rusts, its weight ......

6. 92 Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere

7. Question 7.3:Discuss the trends in chemical reactivity of group 15 elements.

8. Question 9.7:Using IUPAC norms write the systematic names of the following:(i) [Co(NH3)6]Cl3(ii) [Pt(NH3)2Cl(NH2CH3)]Cl(iii) [Ti(H2O)6]3 (iv) [Co(NH3)4Cl(NO2)]Cl(v) [Mn(H2O)6]2 (vi) [NiCl4]2−(vii) [Ni(NH3)6]Cl2(viii) [Co(en)3]3 (ix) [Ni(CO)4]

9. Question 8.22:Consider the elements:Cs, Ne, I and F(a) Identify the element that exhibits only negative oxidation state.(b) Identify the element that exhibits only postive oxidation state.(c) Identify the element that exhibits both positive and negative oxidation states.(d) Identify the element...

10. Which of the following acts as promoter for iron in Haber's process?