Chemistry Quiz 13
1 / 50
Indicate the correct statement__________________?
2 / 50
Silica gel and alumina are used as __________________?
3 / 50
Which of the following is metasilicic acid ?
4 / 50
The technique used to separate components of mixture in solid phase ?
5 / 50
The specie which donates electrons to central metal atom in coordination sphere is called____________________?
6 / 50
Basicity of orthophosphoric acid is________?
7 / 50
Which of the following is not primary pollutant__________________?
8 / 50
Greater the conc. Of reactant__________________?
9 / 50
Grignard reagent gives carboxylic acid with____________?
10 / 50
Which of the following will give phosphoric acid one reaction with water_________________?
11 / 50
Which one of the following is the weakest acid in water__________________?
12 / 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:_______?
13 / 50
Chemical composition of cinnabar is____________________?
14 / 50
Formation of vapours from the surface of a liquid is called________________?
15 / 50
The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?
16 / 50
Lead accumulators are_______________?
17 / 50
Paramagnetic behaviour of substance is measured by a balance called___________________?
18 / 50
When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?
19 / 50
Which of the following is not use of compounds of Fluorine________________?
20 / 50
_____________ surfactants perform well over a wide range water hardness and PH?
21 / 50
Generally the limit of visible spectrum is__________?
22 / 50
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
23 / 50
The relative lowering of vapour pressure is_____________________?
24 / 50
Addition of urea to the soil is ____________ reaction?
25 / 50
In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
26 / 50
Most of thermodynamic parameters are_________________?
27 / 50
All the transition elements show_________________?
28 / 50
The formula of starch is__________________?
29 / 50
Qualitative analysis is carried out for _________________?
30 / 50
2-propanol and 1-propanol show the isomerism________________?
31 / 50
Tincal is a mineral of___________________?
32 / 50
Carbon in wrought iron is present as_________?
33 / 50
Which C-X bond has the highest bond energy per mole ?
34 / 50
At start of reaction the concentration of reactants is_______________?
35 / 50
The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?
36 / 50
Which of the following element has the maximum electron affinity_____?
37 / 50
Which of the following properties prove that cathode rays are material in nature_________________?
38 / 50
True increasing order of acidity of the oxides of Mn is_________________?
39 / 50
Methyl alcohol is not used as___________________?
40 / 50
Atomic radius can be determined by_________________?
41 / 50
A limiting reactant is one which________________?
42 / 50
The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?
43 / 50
Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
44 / 50
Biocatalytical proteins are_________________?
45 / 50
Which of the halogen has highest electronegativity ?
46 / 50
Ethylene diammine is ligand________?
47 / 50
Which of the following elements has greater 1st ionization energy__________________?
48 / 50
Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?
49 / 50
Which of the following is a symmetrical ketone___________________?
50 / 50
Urea as a fertilizer contains:____________?
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