Chemistry Online Test-4

SMT4 ALL ABOUT CHEMISTRY

This MCQ test includes the chapters- Periodic Properties and variations of Properties, Chemical Bonding, Study of Acids, Bases and Salts, Analytical Chemistry, Mole concept and stoichimetry and electrolysis

It is of 40 Marks and is of 60 mins.

 
QUIZ START

Results

#1. Identify the element with maximum atomic size

#2. When hydrogen forms compound with any non metal, it is normally

#3. The periodic property with no unit

#4. The periodic property which decreases across aperiod

#5. The chemical reactivity of metals-

#6. ( With reference to the period table given below)Identify the element in the 2nd period which possess the highest ionisation energy

#7. ( With reference to the period table given below) The formula of the compound formed between L and H

#8. The Basicity of the given acid is

#9. The acid formed when phosphorous trioxide dissolves in water

#10. When sodium carbonate solution is heated with lead nitrate solution, turbidity is produced due to

#11. The type of salt formed by this acid

#12. The acid that can be used prepare the given acid

#13. The compound given below furnish

#14. An inorganic compound contains 53.15% N, 6.37% H and the rest oxygen. [N=14,H=1, O=16]. Tis molecular weight is 79. Calculate its molecular formula.

#15. An inorganic compound contains 0.78% H, 74.45% S, 24.77% O.[H=1, S=32,O=16] Its vapour density is 129. The molecular formula of the compound.

#16. A compound contains 16.06% Na, 44.81% S and the rest oxygen. [Na=23, S=32, O=16]. Its vapour density is 143.

#17. A compound contains 38.24%Zn, S=37.61, O=23.46%, H=0.59%. [Zn=65, S=32, O=16, H=1]. Its molecular weight is 341.

#18. Identify the gas produced when sodium sulphide reacts with nitric acid

#19. The colour of ppt formed when zinc sulpahte is treated with ammonium hydroxide solution

#20. The compound formed when ammonium hydroxide solution is added to ferric chloride solution.

#21. The number of double bonds in CO2

#22. The number of single and double bonds in formaldehyde is

#23. The compound which is good conductor of electricity when dissolved in water

#24. The compound which remain as only molecule

#25. The compound used as an electrolyte during the electroplating of silver

#26. The purpose of electroplating

#27. Cathode reaction during the electroplating of Ag

#28. The anode reaction during the electroplating of Ni

#29. The condition does favor the formation of electroplating

#30. The cathode reaction during the electrorefining of copper

#31. Preferential discharge of a particular ion at any electrode depends upon-

#32. The weak electrolyte among the following

#33. It is the process of breaking down a compound into its ions in a molten state or in aqueous solution by passing electric current through it.

#34. The compound which can be refined by electrorefining

#35. The process of coating an inferior article with a superior metal like Ag, Au, Ni, Cr etc.with the help of electricity is called

#36. Silica crucibles are used as electrolytic cell during electrolysis of molten lead bromide

#37. Pb(NO3)2 + 2 NH4OH → Pb(OH)2 ↓ + 2 NH4NO3 In this reaction the possible observation is

#38. [Zn(NH3)4]SO4 is a ______ type of salt

#39. Colour of an aqueous solution of MnO42-

#40. COOH-COONa is a _____ salt of oxalic acid

Finish


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