Chemistry Quiz 20
1 / 50
In which compound nitrogen has maximum oxidation state____________________?
2 / 50
Molar heat of vaporization of water is_________________?
3 / 50
Which of the following points are important in connection with equilibrium constant ?
4 / 50
Quantum numbers are __________ ?
5 / 50
Which of the following is different with respect to physical appearance ?
6 / 50
The halogen which reacts very slowly with halogen is________________?
7 / 50
The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?
8 / 50
The type of filtering media used for filtration depending upon____________________?
9 / 50
In a group, atomic radii increase due to successive increase of _________ ?
10 / 50
The preparation of benzene from acetylene can also be said as_________________?
11 / 50
The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?
12 / 50
Aniline is a derivative of benzene which contains__________________?
13 / 50
The phenomenon in which a compound exists in two or more crystalline forms is called ________________?
14 / 50
Purines and pyrimidines are__________________?
15 / 50
Covalent network crystals have_____________?
16 / 50
According to Journal of Biological Chemistry 158, human brain and heart are composed of ________water?
17 / 50
Vinyl acetylene combines with hydrochloric acid produces___________________?
18 / 50
The most commonly used bleaching agent is_________?
19 / 50
Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?
20 / 50
Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?
21 / 50
A polymer in which three different monomers combine called_____________?
22 / 50
When Ammonia is used as a refrigerant in vapour compression cycle?
23 / 50
The property of carbon chain formation is called _________________?
24 / 50
Voltaic cell is a_________________?
25 / 50
The maximum number of electron in a sub shell with ? = 3fs______________?
26 / 50
Purines and pyrimidines are_________________?
27 / 50
Which has strongest bonding in the solid state ?
28 / 50
Soda lime is a mixture of____________________?
29 / 50
Which is carnalite________________?
30 / 50
Planks theory says energy is emitted__________________?
31 / 50
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
32 / 50
Capacity of one lead accumulator cell is___________________?
33 / 50
At low temperature and pressure cracking can be done in presence of catalyst________________?
34 / 50
The Boiling Point of Ethyl Alcohol is_________?
35 / 50
Propene can exhibit________________?
36 / 50
Dry distillation of calcium acetate results in the formation of_________________?
37 / 50
Sodium is not observed in +2 oxidation state because of its__________________?
38 / 50
Rising of a wetting liquid in a capillary tube is due to__________________?
39 / 50
Following are the anions of soap which form Ca and Mg ions which we see as curd in water
40 / 50
DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients?
41 / 50
When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
42 / 50
The soul of chemistry is dealing with___________?
43 / 50
Which one of the following acids is present in lemon juice ?
44 / 50
Molecular mass of water (18g) means__________________?
45 / 50
Radiations are absorbed in_______________?
46 / 50
The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?
47 / 50
Which of the following factors help to measure quallity of water ?
48 / 50
Boron is non-netal whereas A1 is metal. It is due to_______________________?
49 / 50
When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?
50 / 50
Which of the following can be used as anti-knocking agent ?
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