Chemistry Quiz 1
1 / 50
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its_______________?
2 / 50
Protein attached to some non protein group is called____________________?
3 / 50
All of the following substances are crystalline except_____________?
4 / 50
Which of the following is the weakest reducing agent ?
5 / 50
The hydrogenation of phenol in the presence of Ni and heat gives_________________?
6 / 50
Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?
7 / 50
When electron jump into orbit 1 then series obtained is___________________?
8 / 50
The mass of 3.2 moles of ammonia (NH3) gas?
9 / 50
Which of the following will be acidic_____________?
10 / 50
The value of e/m ratio of electron is________________?
11 / 50
A malleable solid is one which can be_________________?
12 / 50
The nucleus of an atom of every element will always contain____________________?
13 / 50
When benzene is heated in air with V2O5 at 450?C yields_________________?
14 / 50
The Chemical Formula of Sand is___________?
15 / 50
The hydrolysis of Benzenetrizonide will yield three moles of____________________?
16 / 50
When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?
17 / 50
Negative log of mular concentration of H+ ions is called___________________?
18 / 50
Which of the following is not characteristics of reversible reaction__________________?
19 / 50
When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?
20 / 50
Picric acid is_________________?
21 / 50
The purpose of Smelting an ore is to________?
22 / 50
Benzene does not undergo___________________?
23 / 50
The unit of the rate constant (k) is same as that of rate of reaction________________?
24 / 50
Which of the following solutions of H2SO4 is more concentrated ?
25 / 50
Which one of the following will be sulphonated readily ?
26 / 50
The letters s p d and f are used to represent which quantum numbers________________?
27 / 50
Which of the following air pollutants is more dangerous for ozone layer ?
28 / 50
Which one can form complex ?
29 / 50
One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of________________?
30 / 50
The Branch of chemistry dealing with brewing and distilling is called _______ ?
31 / 50
When substance moves from a solid to a liquid state all of the following changes occur except__________________?
32 / 50
Geometry of simple molecule having sp3 hybrid orbital is ___________________?
33 / 50
The mass of decimole of electrons (NA) is___________________?
34 / 50
The organic compounds having very high molecular weight are called _________________?
35 / 50
Parke?s process is used in the extraction of________?
36 / 50
The hardest of the following solids is__________________?
37 / 50
Aluminium oxide is_________________?
38 / 50
In which of the following pairs are elements belonging to the same group ?
39 / 50
Transition elements, in general, exhibit the following properties, except one. Name that property?
40 / 50
Isomerism which is present only in alkene is__________________?
41 / 50
The determination of correct molecular weight from Raoults law is applicable to_________________?
42 / 50
The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?
43 / 50
Nucleic acids direct the synthesis of__________________?
44 / 50
Which is true about Zn-Cu galvanic cell ?
45 / 50
0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?
46 / 50
Stronger the oxidizing agent greater is the________________?
47 / 50
The rate of reaction___________________?
48 / 50
A safe and more reliable method for drying the crystal is__________________?
49 / 50
The pH of milk is_______?
50 / 50
Which of the following is not a fatty acid ?
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