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Chemistry Quiz 13

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Chemistry Quiz 13

1 / 50

Which of the following properties prove that cathode rays are material in nature_________________?

2 / 50

Which of the halogen has highest electronegativity ?

3 / 50

_____________ surfactants perform well over a wide range water hardness and PH?

4 / 50

Most of thermodynamic parameters are_________________?

5 / 50

In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?

6 / 50

Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?

7 / 50

Urea as a fertilizer contains:____________?

8 / 50

True increasing order of acidity of the oxides of Mn is_________________?

9 / 50

Which C-X bond has the highest bond energy per mole ?

10 / 50

Generally the limit of visible spectrum is__________?

11 / 50

Which of the following will give phosphoric acid one reaction with water_________________?

12 / 50

Which one of the following is the weakest acid in water__________________?

13 / 50

Ethylene diammine is ligand________?

14 / 50

When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?

15 / 50

Tincal is a mineral of___________________?

16 / 50

The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

17 / 50

Silica gel and alumina are used as __________________?

18 / 50

The technique used to separate components of mixture in solid phase ?

19 / 50

Basicity of orthophosphoric acid is________?

20 / 50

2-propanol and 1-propanol show the isomerism________________?

21 / 50

Which of the following is not primary pollutant__________________?

22 / 50

Paramagnetic behaviour of substance is measured by a balance called___________________?

23 / 50

Grignard reagent gives carboxylic acid with____________?

24 / 50

At start of reaction the concentration of reactants is_______________?

25 / 50

The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?

26 / 50

The formula of starch is__________________?

27 / 50

Which of the following is a symmetrical ketone___________________?

28 / 50

Methyl alcohol is not used as___________________?

29 / 50

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

30 / 50

Indicate the correct statement__________________?

31 / 50

Carbon in wrought iron is present as_________?

32 / 50

All the transition elements show_________________?

33 / 50

Which of the following is metasilicic acid ?

34 / 50

Greater the conc. Of reactant__________________?

35 / 50

The relative lowering of vapour pressure is_____________________?

36 / 50

Chemical composition of cinnabar is____________________?

37 / 50

The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?

38 / 50

The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

39 / 50

Lead accumulators are_______________?

40 / 50

The specie which donates electrons to central metal atom in coordination sphere is called____________________?

41 / 50

Qualitative analysis is carried out for _________________?

42 / 50

Formation of vapours from the surface of a liquid is called________________?

43 / 50

A limiting reactant is one which________________?

44 / 50

Biocatalytical proteins are_________________?

45 / 50

Addition of urea to the soil is ____________ reaction?

46 / 50

Which of the following elements has greater 1st ionization energy__________________?

47 / 50

Which of the following element has the maximum electron affinity_____?

48 / 50

Atomic radius can be determined by_________________?

49 / 50

Which of the following is not use of compounds of Fluorine________________?

50 / 50

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

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